81531772

素因数分解:

$2^2\times 7^1\times {\mathrm{359}}^1\times {\mathrm{8111}}^1$

素因数の和:8481

約数の個数: 24

約数和(自身を含む): 163537920

約数和(自身を除く): 82006148

約数列:

[1, 2, 4, 7, 14, 28, 359, 718, 1436, 2513, 5026, 8111, 10052, 16222, 32444, 56777, 113554, 227108, 2911849, 5823698, 11647396, 20382943, 40765886, 81531772]

約数ペア:

[(1, 81531772), (2, 40765886), (4, 20382943), (7, 11647396), (14, 5823698), (28, 2911849), (359, 227108), (718, 113554), (1436, 56777), (2513, 32444), (5026, 16222), (8111, 10052)]