405918145

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{13421}}^1$

素因数の和:13712

約数の個数: 16

約数和(自身を含む): 510250752

約数和(自身を除く): 104332607

約数列:

[1, 5, 23, 115, 263, 1315, 6049, 13421, 30245, 67105, 308683, 1543415, 3529723, 17648615, 81183629, 405918145]

約数ペア:

[(1, 405918145), (5, 81183629), (23, 17648615), (115, 3529723), (263, 1543415), (1315, 308683), (6049, 67105), (13421, 30245)]