81296374

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1\times {\mathrm{1277}}^1$

素因数の和:1647

約数の個数: 16

約数和(自身を含む): 123454800

約数和(自身を除く): 42158426

約数列:

[1, 2, 139, 229, 278, 458, 1277, 2554, 31831, 63662, 177503, 292433, 355006, 584866, 40648187, 81296374]

約数ペア:

[(1, 81296374), (2, 40648187), (139, 584866), (229, 355006), (278, 292433), (458, 177503), (1277, 63662), (2554, 31831)]