247509808

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:459

約数の個数: 160

約数和(自身を含む): 649958400

約数和(自身を除く): 402448592

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 23, 26, 28, 38, 46, 52, 56, 76, 91, 92, 104, 112, 133, 152, 161, 182, 184, 208, 247, 266, 299, 304, 322, 364, 368, 389, 437, 494, 532, 598, 644, 728, 778, 874, 988, 1064, 1196, 1288, 1456, 1556, 1729, 1748, 1976, 2093, 2128, 2392, 2576, 2723, 3059, 3112, 3458, 3496, 3952, 4186, 4784, 5057, 5446, 5681, 6118, 6224, 6916, 6992, 7391, 8372, 8947, 10114, 10892, 11362, 12236, 13832, 14782, 16744, 17894, 20228, 21784, 22724, 24472, 27664, 29564, 33488, 35399, 35788, 39767, 40456, 43568, 45448, 48944, 51737, 59128, 62629, 70798, 71576, 79534, 80912, 90896, 96083, 103474, 116311, 118256, 125258, 141596, 143152, 159068, 169993, 192166, 206948, 232622, 250516, 283192, 318136, 339986, 384332, 413896, 465244, 501032, 566384, 636272, 672581, 679972, 768664, 814177, 827792, 930488, 1002064, 1189951, 1345162, 1359944, 1537328, 1628354, 1860976, 2209909, 2379902, 2690324, 2719888, 3256708, 4419818, 4759804, 5380648, 6513416, 8839636, 9519608, 10761296, 13026832, 15469363, 17679272, 19039216, 30938726, 35358544, 61877452, 123754904, 247509808]

約数ペア:

[(1, 247509808), (2, 123754904), (4, 61877452), (7, 35358544), (8, 30938726), (13, 19039216), (14, 17679272), (16, 15469363), (19, 13026832), (23, 10761296), (26, 9519608), (28, 8839636), (38, 6513416), (46, 5380648), (52, 4759804), (56, 4419818), (76, 3256708), (91, 2719888), (92, 2690324), (104, 2379902), (112, 2209909), (133, 1860976), (152, 1628354), (161, 1537328), (182, 1359944), (184, 1345162), (208, 1189951), (247, 1002064), (266, 930488), (299, 827792), (304, 814177), (322, 768664), (364, 679972), (368, 672581), (389, 636272), (437, 566384), (494, 501032), (532, 465244), (598, 413896), (644, 384332), (728, 339986), (778, 318136), (874, 283192), (988, 250516), (1064, 232622), (1196, 206948), (1288, 192166), (1456, 169993), (1556, 159068), (1729, 143152), (1748, 141596), (1976, 125258), (2093, 118256), (2128, 116311), (2392, 103474), (2576, 96083), (2723, 90896), (3059, 80912), (3112, 79534), (3458, 71576), (3496, 70798), (3952, 62629), (4186, 59128), (4784, 51737), (5057, 48944), (5446, 45448), (5681, 43568), (6118, 40456), (6224, 39767), (6916, 35788), (6992, 35399), (7391, 33488), (8372, 29564), (8947, 27664), (10114, 24472), (10892, 22724), (11362, 21784), (12236, 20228), (13832, 17894), (14782, 16744)]