664702990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{412859}}^1$

素因数の和:412896

約数の個数: 32

約数和(自身を含む): 1426844160

約数和(自身を除く): 762141170

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 412859, 825718, 2064295, 2890013, 4128590, 5780026, 9495757, 14450065, 18991514, 28900130, 47478785, 66470299, 94957570, 132940598, 332351495, 664702990]

約数ペア:

[(1, 664702990), (2, 332351495), (5, 132940598), (7, 94957570), (10, 66470299), (14, 47478785), (23, 28900130), (35, 18991514), (46, 14450065), (70, 9495757), (115, 5780026), (161, 4128590), (230, 2890013), (322, 2064295), (805, 825718), (1610, 412859)]