66977515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 91441152

約数和(自身を除く): 24463637

約数列:

[1, 5, 11, 31, 55, 155, 163, 241, 341, 815, 1205, 1705, 1793, 2651, 5053, 7471, 8965, 13255, 25265, 37355, 39283, 55583, 82181, 196415, 277915, 410905, 432113, 1217773, 2160565, 6088865, 13395503, 66977515]

約数ペア:

[(1, 66977515), (5, 13395503), (11, 6088865), (31, 2160565), (55, 1217773), (155, 432113), (163, 410905), (241, 277915), (341, 196415), (815, 82181), (1205, 55583), (1705, 39283), (1793, 37355), (2651, 25265), (5053, 13255), (7471, 8965)]