405144638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{2267}}^1\times {\mathrm{4703}}^1$

素因数の和:6991

約数の個数: 16

約数和(自身を含む): 640120320

約数和(自身を除く): 234975682

約数列:

[1, 2, 19, 38, 2267, 4534, 4703, 9406, 43073, 86146, 89357, 178714, 10661701, 21323402, 202572319, 405144638]

約数ペア:

[(1, 405144638), (2, 202572319), (19, 21323402), (38, 10661701), (2267, 178714), (4534, 89357), (4703, 86146), (9406, 43073)]