71390072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 154224000

約数和(自身を除く): 82833928

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 149, 221, 271, 298, 442, 542, 596, 884, 1084, 1192, 1768, 1937, 2168, 2533, 3523, 3874, 4607, 5066, 7046, 7748, 9214, 10132, 14092, 15496, 18428, 20264, 28184, 32929, 36856, 40379, 59891, 65858, 80758, 119782, 131716, 161516, 239564, 263432, 323032, 479128, 524927, 686443, 1049854, 1372886, 2099708, 2745772, 4199416, 5491544, 8923759, 17847518, 35695036, 71390072]

約数ペア:

[(1, 71390072), (2, 35695036), (4, 17847518), (8, 8923759), (13, 5491544), (17, 4199416), (26, 2745772), (34, 2099708), (52, 1372886), (68, 1049854), (104, 686443), (136, 524927), (149, 479128), (221, 323032), (271, 263432), (298, 239564), (442, 161516), (542, 131716), (596, 119782), (884, 80758), (1084, 65858), (1192, 59891), (1768, 40379), (1937, 36856), (2168, 32929), (2533, 28184), (3523, 20264), (3874, 18428), (4607, 15496), (5066, 14092), (7046, 10132), (7748, 9214)]