257875128

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:298

約数の個数: 192

約数和(自身を含む): 833015040

約数和(自身を除く): 575139912

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 43, 56, 63, 72, 73, 84, 86, 126, 129, 146, 163, 168, 172, 219, 252, 258, 292, 301, 326, 344, 387, 438, 489, 504, 511, 516, 584, 602, 652, 657, 774, 876, 903, 978, 1022, 1032, 1141, 1204, 1304, 1314, 1467, 1533, 1548, 1752, 1806, 1956, 2044, 2282, 2408, 2628, 2709, 2934, 3066, 3096, 3139, 3423, 3612, 3912, 4088, 4564, 4599, 5256, 5418, 5868, 6132, 6278, 6846, 7009, 7224, 9128, 9198, 9417, 10269, 10836, 11736, 11899, 12264, 12556, 13692, 14018, 18396, 18834, 20538, 21027, 21672, 21973, 23798, 25112, 27384, 28036, 28251, 35697, 36792, 37668, 41076, 42054, 43946, 47596, 49063, 56072, 56502, 63081, 65919, 71394, 75336, 82152, 83293, 84108, 87892, 95192, 98126, 107091, 113004, 126162, 131838, 142788, 147189, 166586, 168216, 175784, 196252, 197757, 214182, 226008, 249879, 252324, 263676, 285576, 294378, 333172, 392504, 395514, 428364, 441567, 499758, 504648, 511657, 527352, 588756, 666344, 749637, 791028, 856728, 883134, 999516, 1023314, 1177512, 1499274, 1534971, 1582056, 1766268, 1999032, 2046628, 2998548, 3069942, 3532536, 3581599, 4093256, 4604913, 5997096, 6139884, 7163198, 9209826, 10744797, 12279768, 14326396, 18419652, 21489594, 28652792, 32234391, 36839304, 42979188, 64468782, 85958376, 128937564, 257875128]

約数ペア:

[(1, 257875128), (2, 128937564), (3, 85958376), (4, 64468782), (6, 42979188), (7, 36839304), (8, 32234391), (9, 28652792), (12, 21489594), (14, 18419652), (18, 14326396), (21, 12279768), (24, 10744797), (28, 9209826), (36, 7163198), (42, 6139884), (43, 5997096), (56, 4604913), (63, 4093256), (72, 3581599), (73, 3532536), (84, 3069942), (86, 2998548), (126, 2046628), (129, 1999032), (146, 1766268), (163, 1582056), (168, 1534971), (172, 1499274), (219, 1177512), (252, 1023314), (258, 999516), (292, 883134), (301, 856728), (326, 791028), (344, 749637), (387, 666344), (438, 588756), (489, 527352), (504, 511657), (511, 504648), (516, 499758), (584, 441567), (602, 428364), (652, 395514), (657, 392504), (774, 333172), (876, 294378), (903, 285576), (978, 263676), (1022, 252324), (1032, 249879), (1141, 226008), (1204, 214182), (1304, 197757), (1314, 196252), (1467, 175784), (1533, 168216), (1548, 166586), (1752, 147189), (1806, 142788), (1956, 131838), (2044, 126162), (2282, 113004), (2408, 107091), (2628, 98126), (2709, 95192), (2934, 87892), (3066, 84108), (3096, 83293), (3139, 82152), (3423, 75336), (3612, 71394), (3912, 65919), (4088, 63081), (4564, 56502), (4599, 56072), (5256, 49063), (5418, 47596), (5868, 43946), (6132, 42054), (6278, 41076), (6846, 37668), (7009, 36792), (7224, 35697), (9128, 28251), (9198, 28036), (9417, 27384), (10269, 25112), (10836, 23798), (11736, 21973), (11899, 21672), (12264, 21027), (12556, 20538), (13692, 18834), (14018, 18396)]