142729976

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{19979}}^1$

素因数の和:20051

約数の個数: 32

約数和(自身を含む): 287712000

約数和(自身を除く): 144982024

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 376, 893, 1786, 3572, 7144, 19979, 39958, 79916, 159832, 379601, 759202, 939013, 1518404, 1878026, 3036808, 3756052, 7512104, 17841247, 35682494, 71364988, 142729976]

約数ペア:

[(1, 142729976), (2, 71364988), (4, 35682494), (8, 17841247), (19, 7512104), (38, 3756052), (47, 3036808), (76, 1878026), (94, 1518404), (152, 939013), (188, 759202), (376, 379601), (893, 159832), (1786, 79916), (3572, 39958), (7144, 19979)]