641518402

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 1165492224

約数和(自身を除く): 523973822

約数列:

[1, 2, 7, 14, 31, 62, 103, 113, 127, 206, 217, 226, 254, 434, 721, 791, 889, 1442, 1582, 1778, 3193, 3503, 3937, 6386, 7006, 7874, 11639, 13081, 14351, 22351, 23278, 24521, 26162, 27559, 28702, 44702, 49042, 55118, 81473, 91567, 100457, 162946, 183134, 200914, 360809, 405511, 444881, 721618, 811022, 889762, 1478153, 2525663, 2838577, 2956306, 3114167, 5051326, 5677154, 6228334, 10347071, 20694142, 45822743, 91645486, 320759201, 641518402]

約数ペア:

[(1, 641518402), (2, 320759201), (7, 91645486), (14, 45822743), (31, 20694142), (62, 10347071), (103, 6228334), (113, 5677154), (127, 5051326), (206, 3114167), (217, 2956306), (226, 2838577), (254, 2525663), (434, 1478153), (721, 889762), (791, 811022), (889, 721618), (1442, 444881), (1582, 405511), (1778, 360809), (3193, 200914), (3503, 183134), (3937, 162946), (6386, 100457), (7006, 91567), (7874, 81473), (11639, 55118), (13081, 49042), (14351, 44702), (22351, 28702), (23278, 27559), (24521, 26162)]