77456990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{1327}}^1$

素因数の和:1796

約数の個数: 32

約数和(自身を含む): 150595200

約数和(自身を除く): 73138210

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 449, 898, 1327, 2245, 2654, 4490, 5837, 6635, 11674, 13270, 17251, 29185, 34502, 58370, 86255, 172510, 595823, 1191646, 2979115, 5958230, 7745699, 15491398, 38728495, 77456990]

約数ペア:

[(1, 77456990), (2, 38728495), (5, 15491398), (10, 7745699), (13, 5958230), (26, 2979115), (65, 1191646), (130, 595823), (449, 172510), (898, 86255), (1327, 58370), (2245, 34502), (2654, 29185), (4490, 17251), (5837, 13270), (6635, 11674)]