128202431

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{1217}}^1$

素因数の和:1474

約数の個数: 16

約数和(自身を含む): 149083200

約数和(自身を除く): 20880769

約数列:

[1, 7, 101, 149, 707, 1043, 1217, 8519, 15049, 105343, 122917, 181333, 860419, 1269331, 18314633, 128202431]

約数ペア:

[(1, 128202431), (7, 18314633), (101, 1269331), (149, 860419), (707, 181333), (1043, 122917), (1217, 105343), (8519, 15049)]