398445404

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{140893}}^1$

素因数の和:141005

約数の個数: 24

約数和(自身を含む): 804786528

約数和(自身を除く): 406341124

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 140893, 281786, 563572, 986251, 1972502, 3945004, 14230193, 28460386, 56920772, 99611351, 199222702, 398445404]

約数ペア:

[(1, 398445404), (2, 199222702), (4, 99611351), (7, 56920772), (14, 28460386), (28, 14230193), (101, 3945004), (202, 1972502), (404, 986251), (707, 563572), (1414, 281786), (2828, 140893)]