168647830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{8263}}^1$

素因数の和:8440

約数の個数: 32

約数和(自身を含む): 329039424

約数和(自身を除く): 160391594

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 314, 785, 1570, 2041, 4082, 8263, 10205, 16526, 20410, 41315, 82630, 107419, 214838, 537095, 1074190, 1297291, 2594582, 6486455, 12972910, 16864783, 33729566, 84323915, 168647830]

約数ペア:

[(1, 168647830), (2, 84323915), (5, 33729566), (10, 16864783), (13, 12972910), (26, 6486455), (65, 2594582), (130, 1297291), (157, 1074190), (314, 537095), (785, 214838), (1570, 107419), (2041, 82630), (4082, 41315), (8263, 20410), (10205, 16526)]