128750888

素因数分解:

$2^3\times 7^1\times {\mathrm{307}}^1\times {\mathrm{7489}}^1$

素因数の和:7809

約数の個数: 32

約数和(自身を含む): 276830400

約数和(自身を除く): 148079512

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 307, 614, 1228, 2149, 2456, 4298, 7489, 8596, 14978, 17192, 29956, 52423, 59912, 104846, 209692, 419384, 2299123, 4598246, 9196492, 16093861, 18392984, 32187722, 64375444, 128750888]

約数ペア:

[(1, 128750888), (2, 64375444), (4, 32187722), (7, 18392984), (8, 16093861), (14, 9196492), (28, 4598246), (56, 2299123), (307, 419384), (614, 209692), (1228, 104846), (2149, 59912), (2456, 52423), (4298, 29956), (7489, 17192), (8596, 14978)]