81213811

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{2719}}^1$

素因数の和:2994

約数の個数: 16

約数和(自身を含む): 98703360

約数和(自身を除く): 17489549

約数列:

[1, 7, 17, 119, 251, 1757, 2719, 4267, 19033, 29869, 46223, 323561, 682469, 4777283, 11601973, 81213811]

約数ペア:

[(1, 81213811), (7, 11601973), (17, 4777283), (119, 682469), (251, 323561), (1757, 46223), (2719, 29869), (4267, 19033)]