64447628

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{571}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 134534400

約数和(自身を除く): 70086772

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 139, 203, 278, 406, 556, 571, 812, 973, 1142, 1946, 2284, 3892, 3997, 4031, 7994, 8062, 15988, 16124, 16559, 28217, 33118, 56434, 66236, 79369, 112868, 115913, 158738, 231826, 317476, 463652, 555583, 1111166, 2222332, 2301701, 4603402, 9206804, 16111907, 32223814, 64447628]

約数ペア:

[(1, 64447628), (2, 32223814), (4, 16111907), (7, 9206804), (14, 4603402), (28, 2301701), (29, 2222332), (58, 1111166), (116, 555583), (139, 463652), (203, 317476), (278, 231826), (406, 158738), (556, 115913), (571, 112868), (812, 79369), (973, 66236), (1142, 56434), (1946, 33118), (2284, 28217), (3892, 16559), (3997, 16124), (4031, 15988), (7994, 8062)]