219981268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{11527}}^1$

素因数の和:11911

約数の個数: 24

約数和(自身を含む): 415745792

約数和(自身を除く): 195764524

約数列:

[1, 2, 4, 13, 26, 52, 367, 734, 1468, 4771, 9542, 11527, 19084, 23054, 46108, 149851, 299702, 599404, 4230409, 8460818, 16921636, 54995317, 109990634, 219981268]

約数ペア:

[(1, 219981268), (2, 109990634), (4, 54995317), (13, 16921636), (26, 8460818), (52, 4230409), (367, 599404), (734, 299702), (1468, 149851), (4771, 46108), (9542, 23054), (11527, 19084)]