261747136

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:498

約数の個数: 112

約数和(自身を含む): 627351552

約数和(自身を除く): 365604416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 47, 56, 62, 64, 94, 112, 124, 188, 217, 224, 248, 329, 376, 401, 434, 448, 496, 658, 752, 802, 868, 992, 1316, 1457, 1504, 1604, 1736, 1984, 2632, 2807, 2914, 3008, 3208, 3472, 5264, 5614, 5828, 6416, 6944, 10199, 10528, 11228, 11656, 12431, 12832, 13888, 18847, 20398, 21056, 22456, 23312, 24862, 25664, 37694, 40796, 44912, 46624, 49724, 75388, 81592, 87017, 89824, 93248, 99448, 131929, 150776, 163184, 174034, 179648, 198896, 263858, 301552, 326368, 348068, 397792, 527716, 584257, 603104, 652736, 696136, 795584, 1055432, 1168514, 1206208, 1392272, 2110864, 2337028, 2784544, 4089799, 4221728, 4674056, 5569088, 8179598, 8443456, 9348112, 16359196, 18696224, 32718392, 37392448, 65436784, 130873568, 261747136]

約数ペア:

[(1, 261747136), (2, 130873568), (4, 65436784), (7, 37392448), (8, 32718392), (14, 18696224), (16, 16359196), (28, 9348112), (31, 8443456), (32, 8179598), (47, 5569088), (56, 4674056), (62, 4221728), (64, 4089799), (94, 2784544), (112, 2337028), (124, 2110864), (188, 1392272), (217, 1206208), (224, 1168514), (248, 1055432), (329, 795584), (376, 696136), (401, 652736), (434, 603104), (448, 584257), (496, 527716), (658, 397792), (752, 348068), (802, 326368), (868, 301552), (992, 263858), (1316, 198896), (1457, 179648), (1504, 174034), (1604, 163184), (1736, 150776), (1984, 131929), (2632, 99448), (2807, 93248), (2914, 89824), (3008, 87017), (3208, 81592), (3472, 75388), (5264, 49724), (5614, 46624), (5828, 44912), (6416, 40796), (6944, 37694), (10199, 25664), (10528, 24862), (11228, 23312), (11656, 22456), (12431, 21056), (12832, 20398), (13888, 18847)]