28385516

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{787}}^1$

素因数の和:989

約数の個数: 24

約数和(自身を含む): 50835456

約数和(自身を除く): 22449940

約数列:

[1, 2, 4, 71, 127, 142, 254, 284, 508, 787, 1574, 3148, 9017, 18034, 36068, 55877, 99949, 111754, 199898, 223508, 399796, 7096379, 14192758, 28385516]

約数ペア:

[(1, 28385516), (2, 14192758), (4, 7096379), (71, 399796), (127, 223508), (142, 199898), (254, 111754), (284, 99949), (508, 55877), (787, 36068), (1574, 18034), (3148, 9017)]