372187205

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19813}}^1$

素因数の和:19865

約数の個数: 24

約数和(自身を含む): 510963432

約数和(自身を除く): 138776227

約数列:

[1, 5, 13, 17, 65, 85, 221, 289, 1105, 1445, 3757, 18785, 19813, 99065, 257569, 336821, 1287845, 1684105, 4378673, 5725957, 21893365, 28629785, 74437441, 372187205]

約数ペア:

[(1, 372187205), (5, 74437441), (13, 28629785), (17, 21893365), (65, 5725957), (85, 4378673), (221, 1684105), (289, 1287845), (1105, 336821), (1445, 257569), (3757, 99065), (18785, 19813)]