388792781

素因数分解:

${\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:801

約数の個数: 24

約数和(自身を含む): 437517864

約数和(自身を除く): 48725083

約数列:

[1, 13, 37, 97, 169, 481, 641, 1261, 3589, 6253, 8333, 16393, 23717, 46657, 62177, 108329, 308321, 606541, 808301, 2300549, 4008173, 10507913, 29907137, 388792781]

約数ペア:

[(1, 388792781), (13, 29907137), (37, 10507913), (97, 4008173), (169, 2300549), (481, 808301), (641, 606541), (1261, 308321), (3589, 108329), (6253, 62177), (8333, 46657), (16393, 23717)]