25680487

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{317}}^1$

素因数の和:558

約数の個数: 16

約数和(自身を含む): 30039552

約数和(自身を除く): 4359065

約数列:

[1, 7, 71, 163, 317, 497, 1141, 2219, 11573, 22507, 51671, 81011, 157549, 361697, 3668641, 25680487]

約数ペア:

[(1, 25680487), (7, 3668641), (71, 361697), (163, 157549), (317, 81011), (497, 51671), (1141, 22507), (2219, 11573)]