15781948

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 34320384

約数和(自身を除く): 18538436

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 191, 227, 364, 382, 454, 764, 908, 1337, 1589, 2483, 2674, 2951, 3178, 4966, 5348, 5902, 6356, 9932, 11804, 17381, 20657, 34762, 41314, 43357, 69524, 82628, 86714, 173428, 303499, 563641, 606998, 1127282, 1213996, 2254564, 3945487, 7890974, 15781948]

約数ペア:

[(1, 15781948), (2, 7890974), (4, 3945487), (7, 2254564), (13, 1213996), (14, 1127282), (26, 606998), (28, 563641), (52, 303499), (91, 173428), (182, 86714), (191, 82628), (227, 69524), (364, 43357), (382, 41314), (454, 34762), (764, 20657), (908, 17381), (1337, 11804), (1589, 9932), (2483, 6356), (2674, 5902), (2951, 5348), (3178, 4966)]