77398972

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{20177}}^1$

素因数の和:20325

約数の個数: 24

約数和(自身を含む): 155935584

約数和(自身を除く): 78536612

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 20177, 40354, 80708, 141239, 282478, 564956, 2764249, 5528498, 11056996, 19349743, 38699486, 77398972]

約数ペア:

[(1, 77398972), (2, 38699486), (4, 19349743), (7, 11056996), (14, 5528498), (28, 2764249), (137, 564956), (274, 282478), (548, 141239), (959, 80708), (1918, 40354), (3836, 20177)]