401960455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{32377}}^1$

素因数の和:32586

約数の個数: 16

約数和(自身を含む): 522192384

約数和(自身を除く): 120231929

約数列:

[1, 5, 13, 65, 191, 955, 2483, 12415, 32377, 161885, 420901, 2104505, 6184007, 30920035, 80392091, 401960455]

約数ペア:

[(1, 401960455), (5, 80392091), (13, 30920035), (65, 6184007), (191, 2104505), (955, 420901), (2483, 161885), (12415, 32377)]