289758854

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:143

約数の個数: 128

約数和(自身を含む): 608256000

約数和(自身を除く): 318497146

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 43, 47, 49, 77, 86, 94, 98, 133, 154, 209, 266, 301, 329, 343, 418, 473, 517, 539, 602, 658, 686, 817, 893, 931, 946, 1034, 1078, 1463, 1634, 1786, 1862, 2021, 2107, 2303, 2926, 3311, 3619, 3773, 4042, 4214, 4606, 5719, 6251, 6517, 6622, 7238, 7546, 8987, 9823, 10241, 11438, 12502, 13034, 14147, 14749, 16121, 17974, 19646, 20482, 22231, 23177, 25333, 28294, 29498, 32242, 38399, 40033, 43757, 44462, 46354, 50666, 62909, 68761, 71687, 76798, 80066, 87514, 99029, 125818, 137522, 143374, 155617, 162239, 177331, 198058, 268793, 280231, 306299, 311234, 324478, 354662, 422389, 440363, 481327, 537586, 560462, 612598, 693203, 844778, 880726, 962654, 1089319, 1386406, 1881551, 2178638, 2956723, 3082541, 3369289, 3763102, 5913446, 6165082, 6738578, 7625233, 13170857, 15250466, 20697061, 26341714, 41394122, 144879427, 289758854]

約数ペア:

[(1, 289758854), (2, 144879427), (7, 41394122), (11, 26341714), (14, 20697061), (19, 15250466), (22, 13170857), (38, 7625233), (43, 6738578), (47, 6165082), (49, 5913446), (77, 3763102), (86, 3369289), (94, 3082541), (98, 2956723), (133, 2178638), (154, 1881551), (209, 1386406), (266, 1089319), (301, 962654), (329, 880726), (343, 844778), (418, 693203), (473, 612598), (517, 560462), (539, 537586), (602, 481327), (658, 440363), (686, 422389), (817, 354662), (893, 324478), (931, 311234), (946, 306299), (1034, 280231), (1078, 268793), (1463, 198058), (1634, 177331), (1786, 162239), (1862, 155617), (2021, 143374), (2107, 137522), (2303, 125818), (2926, 99029), (3311, 87514), (3619, 80066), (3773, 76798), (4042, 71687), (4214, 68761), (4606, 62909), (5719, 50666), (6251, 46354), (6517, 44462), (6622, 43757), (7238, 40033), (7546, 38399), (8987, 32242), (9823, 29498), (10241, 28294), (11438, 25333), (12502, 23177), (13034, 22231), (14147, 20482), (14749, 19646), (16121, 17974)]