221652802540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{887}}^1\times {\mathrm{961117}}^1$

素因数の和:962026

約数の個数: 48

約数和(自身を含む): 501841996992

約数和(自身を除く): 280189194452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 887, 1774, 3548, 4435, 8870, 11531, 17740, 23062, 46124, 57655, 115310, 230620, 961117, 1922234, 3844468, 4805585, 9611170, 12494521, 19222340, 24989042, 49978084, 62472605, 124945210, 249890420, 852510779, 1705021558, 3410043116, 4262553895, 8525107790, 11082640127, 17050215580, 22165280254, 44330560508, 55413200635, 110826401270, 221652802540]

約数ペア:

[(1, 221652802540), (2, 110826401270), (4, 55413200635), (5, 44330560508), (10, 22165280254), (13, 17050215580), (20, 11082640127), (26, 8525107790), (52, 4262553895), (65, 3410043116), (130, 1705021558), (260, 852510779), (887, 249890420), (1774, 124945210), (3548, 62472605), (4435, 49978084), (8870, 24989042), (11531, 19222340), (17740, 12494521), (23062, 9611170), (46124, 4805585), (57655, 3844468), (115310, 1922234), (230620, 961117)]