17712890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:303

約数の個数: 48

約数和(自身を含む): 35417088

約数和(自身を除く): 17704198

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 169, 223, 235, 338, 446, 470, 611, 845, 1115, 1222, 1690, 2230, 2899, 3055, 5798, 6110, 7943, 10481, 14495, 15886, 20962, 28990, 37687, 39715, 52405, 75374, 79430, 104810, 136253, 188435, 272506, 376870, 681265, 1362530, 1771289, 3542578, 8856445, 17712890]

約数ペア:

[(1, 17712890), (2, 8856445), (5, 3542578), (10, 1771289), (13, 1362530), (26, 681265), (47, 376870), (65, 272506), (94, 188435), (130, 136253), (169, 104810), (223, 79430), (235, 75374), (338, 52405), (446, 39715), (470, 37687), (611, 28990), (845, 20962), (1115, 15886), (1222, 14495), (1690, 10481), (2230, 7943), (2899, 6110), (3055, 5798)]