1990334095

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{77611}}^1$

素因数の和:77862

約数の個数: 16

約数和(自身を含む): 2503452672

約数和(自身を除く): 513118577

約数列:

[1, 5, 23, 115, 223, 1115, 5129, 25645, 77611, 388055, 1785053, 8925265, 17307253, 86536265, 398066819, 1990334095]

約数ペア:

[(1, 1990334095), (5, 398066819), (23, 86536265), (115, 17307253), (223, 8925265), (1115, 1785053), (5129, 388055), (25645, 77611)]