72421037

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^2\times {\mathrm{73}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 84978936

約数和(自身を除く): 12557899

約数列:

[1, 13, 17, 67, 73, 221, 871, 949, 1139, 1241, 4489, 4891, 14807, 16133, 58357, 63583, 76313, 83147, 327697, 992069, 1080911, 4260061, 5570849, 72421037]

約数ペア:

[(1, 72421037), (13, 5570849), (17, 4260061), (67, 1080911), (73, 992069), (221, 327697), (871, 83147), (949, 76313), (1139, 63583), (1241, 58357), (4489, 16133), (4891, 14807)]