81379210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{6547}}^1$

素因数の和:6678

約数の個数: 32

約数和(自身を含む): 161237952

約数和(自身を除く): 79858742

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 113, 226, 565, 1130, 1243, 2486, 6215, 6547, 12430, 13094, 32735, 65470, 72017, 144034, 360085, 720170, 739811, 1479622, 3699055, 7398110, 8137921, 16275842, 40689605, 81379210]

約数ペア:

[(1, 81379210), (2, 40689605), (5, 16275842), (10, 8137921), (11, 7398110), (22, 3699055), (55, 1479622), (110, 739811), (113, 720170), (226, 360085), (565, 144034), (1130, 72017), (1243, 65470), (2486, 32735), (6215, 13094), (6547, 12430)]