7217275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:495

約数の個数: 24

約数和(自身を含む): 9843120

約数和(自身を除く): 2625845

約数列:

[1, 5, 13, 25, 53, 65, 265, 325, 419, 689, 1325, 2095, 3445, 5447, 10475, 17225, 22207, 27235, 111035, 136175, 288691, 555175, 1443455, 7217275]

約数ペア:

[(1, 7217275), (5, 1443455), (13, 555175), (25, 288691), (53, 136175), (65, 111035), (265, 27235), (325, 22207), (419, 17225), (689, 10475), (1325, 5447), (2095, 3445)]