210488915

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{14923}}^1$

素因数の和:14979

約数の個数: 32

約数和(自身を含む): 320925696

約数和(自身を除く): 110436781

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 1085, 2015, 2821, 14105, 14923, 74615, 104461, 193999, 462613, 522305, 969995, 1357993, 2313065, 3238291, 6013969, 6789965, 16191455, 30069845, 42097783, 210488915]

約数ペア:

[(1, 210488915), (5, 42097783), (7, 30069845), (13, 16191455), (31, 6789965), (35, 6013969), (65, 3238291), (91, 2313065), (155, 1357993), (217, 969995), (403, 522305), (455, 462613), (1085, 193999), (2015, 104461), (2821, 74615), (14105, 14923)]