128549744

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{422861}}^1$

素因数の和:422888

約数の個数: 20

約数和(自身を含む): 262174440

約数和(自身を除く): 133624696

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 422861, 845722, 1691444, 3382888, 6765776, 8034359, 16068718, 32137436, 64274872, 128549744]

約数ペア:

[(1, 128549744), (2, 64274872), (4, 32137436), (8, 16068718), (16, 8034359), (19, 6765776), (38, 3382888), (76, 1691444), (152, 845722), (304, 422861)]