128780904

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{766553}}^1$

素因数の和:766569

約数の個数: 32

約数和(自身を含む): 367945920

約数和(自身を除く): 239165016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 766553, 1533106, 2299659, 3066212, 4599318, 5365871, 6132424, 9198636, 10731742, 16097613, 18397272, 21463484, 32195226, 42926968, 64390452, 128780904]

約数ペア:

[(1, 128780904), (2, 64390452), (3, 42926968), (4, 32195226), (6, 21463484), (7, 18397272), (8, 16097613), (12, 10731742), (14, 9198636), (21, 6132424), (24, 5365871), (28, 4599318), (42, 3066212), (56, 2299659), (84, 1533106), (168, 766553)]