90975755

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 129971520

約数和(自身を除く): 38995765

約数列:

[1, 5, 13, 17, 29, 65, 85, 145, 167, 221, 289, 377, 493, 835, 1105, 1445, 1885, 2171, 2465, 2839, 3757, 4843, 6409, 8381, 10855, 14195, 18785, 24215, 32045, 36907, 41905, 48263, 62959, 82331, 108953, 184535, 241315, 314795, 411655, 544765, 627419, 1070303, 1399627, 3137095, 5351515, 6998135, 18195151, 90975755]

約数ペア:

[(1, 90975755), (5, 18195151), (13, 6998135), (17, 5351515), (29, 3137095), (65, 1399627), (85, 1070303), (145, 627419), (167, 544765), (221, 411655), (289, 314795), (377, 241315), (493, 184535), (835, 108953), (1105, 82331), (1445, 62959), (1885, 48263), (2171, 41905), (2465, 36907), (2839, 32045), (3757, 24215), (4843, 18785), (6409, 14195), (8381, 10855)]