161856604

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:627

約数の個数: 72

約数和(自身を含む): 358174320

約数和(自身を除く): 196317716

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 139, 182, 196, 278, 364, 457, 556, 637, 914, 973, 1274, 1807, 1828, 1946, 2548, 3199, 3614, 3892, 5941, 6398, 6811, 7228, 11882, 12649, 12796, 13622, 22393, 23764, 25298, 27244, 41587, 44786, 50596, 63523, 83174, 88543, 89572, 127046, 166348, 177086, 254092, 291109, 354172, 444661, 582218, 825799, 889322, 1164436, 1651598, 1778644, 3112627, 3303196, 5780593, 6225254, 11561186, 12450508, 23122372, 40464151, 80928302, 161856604]

約数ペア:

[(1, 161856604), (2, 80928302), (4, 40464151), (7, 23122372), (13, 12450508), (14, 11561186), (26, 6225254), (28, 5780593), (49, 3303196), (52, 3112627), (91, 1778644), (98, 1651598), (139, 1164436), (182, 889322), (196, 825799), (278, 582218), (364, 444661), (457, 354172), (556, 291109), (637, 254092), (914, 177086), (973, 166348), (1274, 127046), (1807, 89572), (1828, 88543), (1946, 83174), (2548, 63523), (3199, 50596), (3614, 44786), (3892, 41587), (5941, 27244), (6398, 25298), (6811, 23764), (7228, 22393), (11882, 13622), (12649, 12796)]