663669956

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{557}}^1\times {\mathrm{2143}}^1$

素因数の和:2843

約数の個数: 24

約数和(自身を含む): 1172424960

約数和(自身を除く): 508755004

約数列:

[1, 2, 4, 139, 278, 556, 557, 1114, 2143, 2228, 4286, 8572, 77423, 154846, 297877, 309692, 595754, 1191508, 1193651, 2387302, 4774604, 165917489, 331834978, 663669956]

約数ペア:

[(1, 663669956), (2, 331834978), (4, 165917489), (139, 4774604), (278, 2387302), (556, 1193651), (557, 1191508), (1114, 595754), (2143, 309692), (2228, 297877), (4286, 154846), (8572, 77423)]