77938835

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1409}}^1$

素因数の和:1487

約数の個数: 32

約数和(自身を含む): 108017280

約数和(自身を除く): 30078445

約数列:

[1, 5, 13, 23, 37, 65, 115, 185, 299, 481, 851, 1409, 1495, 2405, 4255, 7045, 11063, 18317, 32407, 52133, 55315, 91585, 162035, 260665, 421291, 677729, 1199059, 2106455, 3388645, 5995295, 15587767, 77938835]

約数ペア:

[(1, 77938835), (5, 15587767), (13, 5995295), (23, 3388645), (37, 2106455), (65, 1199059), (115, 677729), (185, 421291), (299, 260665), (481, 162035), (851, 91585), (1409, 55315), (1495, 52133), (2405, 32407), (4255, 18317), (7045, 11063)]