642861973

素因数分解:

${\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{9439}}^1$

素因数の和:9509

約数の個数: 16

約数和(自身を含む): 718950400

約数和(自身を除く): 76088427

約数列:

[1, 13, 31, 169, 403, 2197, 5239, 9439, 68107, 122707, 292609, 1595191, 3803917, 20737483, 49450921, 642861973]

約数ペア:

[(1, 642861973), (13, 49450921), (31, 20737483), (169, 3803917), (403, 1595191), (2197, 292609), (5239, 122707), (9439, 68107)]