256149684

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{4253}}^1$

素因数の和:4509

約数の個数: 72

約数和(自身を含む): 743258880

約数和(自身を除く): 487109196

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 239, 252, 478, 717, 956, 1434, 1673, 2151, 2868, 3346, 4253, 4302, 5019, 6692, 8506, 8604, 10038, 12759, 15057, 17012, 20076, 25518, 29771, 30114, 38277, 51036, 59542, 60228, 76554, 89313, 119084, 153108, 178626, 267939, 357252, 535878, 1016467, 1071756, 2032934, 3049401, 4065868, 6098802, 7115269, 9148203, 12197604, 14230538, 18296406, 21345807, 28461076, 36592812, 42691614, 64037421, 85383228, 128074842, 256149684]

約数ペア:

[(1, 256149684), (2, 128074842), (3, 85383228), (4, 64037421), (6, 42691614), (7, 36592812), (9, 28461076), (12, 21345807), (14, 18296406), (18, 14230538), (21, 12197604), (28, 9148203), (36, 7115269), (42, 6098802), (63, 4065868), (84, 3049401), (126, 2032934), (239, 1071756), (252, 1016467), (478, 535878), (717, 357252), (956, 267939), (1434, 178626), (1673, 153108), (2151, 119084), (2868, 89313), (3346, 76554), (4253, 60228), (4302, 59542), (5019, 51036), (6692, 38277), (8506, 30114), (8604, 29771), (10038, 25518), (12759, 20076), (15057, 17012)]