664672212

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{881}}^1\times {\mathrm{1103}}^1$

素因数の和:2013

約数の個数: 72

約数和(自身を含む): 1772184960

約数和(自身を除く): 1107512748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 881, 1103, 1762, 2206, 2643, 3309, 3524, 4412, 5286, 6618, 7929, 9927, 10572, 13236, 15858, 16739, 19854, 20957, 31716, 33478, 39708, 41914, 50217, 62871, 66956, 83828, 100434, 125742, 150651, 188613, 200868, 251484, 301302, 377226, 602604, 754452, 971743, 1943486, 2915229, 3886972, 5830458, 8745687, 11660916, 17491374, 18463117, 34982748, 36926234, 55389351, 73852468, 110778702, 166168053, 221557404, 332336106, 664672212]

約数ペア:

[(1, 664672212), (2, 332336106), (3, 221557404), (4, 166168053), (6, 110778702), (9, 73852468), (12, 55389351), (18, 36926234), (19, 34982748), (36, 18463117), (38, 17491374), (57, 11660916), (76, 8745687), (114, 5830458), (171, 3886972), (228, 2915229), (342, 1943486), (684, 971743), (881, 754452), (1103, 602604), (1762, 377226), (2206, 301302), (2643, 251484), (3309, 200868), (3524, 188613), (4412, 150651), (5286, 125742), (6618, 100434), (7929, 83828), (9927, 66956), (10572, 62871), (13236, 50217), (15858, 41914), (16739, 39708), (19854, 33478), (20957, 31716)]