72991438

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{12703}}^1$

素因数の和:12748

約数の個数: 24

約数和(自身を含む): 125540928

約数和(自身を除く): 52549490

約数列:

[1, 2, 13, 17, 26, 34, 169, 221, 338, 442, 2873, 5746, 12703, 25406, 165139, 215951, 330278, 431902, 2146807, 2807363, 4293614, 5614726, 36495719, 72991438]

約数ペア:

[(1, 72991438), (2, 36495719), (13, 5614726), (17, 4293614), (26, 2807363), (34, 2146807), (169, 431902), (221, 330278), (338, 215951), (442, 165139), (2873, 25406), (5746, 12703)]