17642872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{587}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 37908360

約数和(自身を除く): 20265488

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 289, 442, 578, 587, 884, 1156, 1174, 1768, 2312, 2348, 3757, 4696, 7514, 7631, 9979, 15028, 15262, 19958, 30056, 30524, 39916, 61048, 79832, 129727, 169643, 259454, 339286, 518908, 678572, 1037816, 1357144, 2205359, 4410718, 8821436, 17642872]

約数ペア:

[(1, 17642872), (2, 8821436), (4, 4410718), (8, 2205359), (13, 1357144), (17, 1037816), (26, 678572), (34, 518908), (52, 339286), (68, 259454), (104, 169643), (136, 129727), (221, 79832), (289, 61048), (442, 39916), (578, 30524), (587, 30056), (884, 19958), (1156, 15262), (1174, 15028), (1768, 9979), (2312, 7631), (2348, 7514), (3757, 4696)]