90721904

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{4793}}^1$

素因数の和:4834

約数の個数: 60

約数和(自身を含む): 217570896

約数和(自身を除く): 126848992

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 338, 364, 676, 728, 1183, 1352, 1456, 2366, 2704, 4732, 4793, 9464, 9586, 18928, 19172, 33551, 38344, 62309, 67102, 76688, 124618, 134204, 249236, 268408, 436163, 498472, 536816, 810017, 872326, 996944, 1620034, 1744652, 3240068, 3489304, 5670119, 6480136, 6978608, 11340238, 12960272, 22680476, 45360952, 90721904]

約数ペア:

[(1, 90721904), (2, 45360952), (4, 22680476), (7, 12960272), (8, 11340238), (13, 6978608), (14, 6480136), (16, 5670119), (26, 3489304), (28, 3240068), (52, 1744652), (56, 1620034), (91, 996944), (104, 872326), (112, 810017), (169, 536816), (182, 498472), (208, 436163), (338, 268408), (364, 249236), (676, 134204), (728, 124618), (1183, 76688), (1352, 67102), (1456, 62309), (2366, 38344), (2704, 33551), (4732, 19172), (4793, 18928), (9464, 9586)]