212912890

素因数分解:

$2^1\times 5^1\times {\mathrm{2309}}^1\times {\mathrm{9221}}^1$

素因数の和:11537

約数の個数: 16

約数和(自身を含む): 383450760

約数和(自身を除く): 170537870

約数列:

[1, 2, 5, 10, 2309, 4618, 9221, 11545, 18442, 23090, 46105, 92210, 21291289, 42582578, 106456445, 212912890]

約数ペア:

[(1, 212912890), (2, 106456445), (5, 42582578), (10, 21291289), (2309, 92210), (4618, 46105), (9221, 23090), (11545, 18442)]