279835264

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:801

約数の個数: 64

約数和(自身を含む): 581644800

約数和(自身を除く): 301809536

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 109, 124, 128, 218, 248, 436, 496, 647, 872, 992, 1294, 1744, 1984, 2588, 3379, 3488, 3968, 5176, 6758, 6976, 10352, 13516, 13952, 20057, 20704, 27032, 40114, 41408, 54064, 70523, 80228, 82816, 108128, 141046, 160456, 216256, 282092, 320912, 432512, 564184, 641824, 1128368, 1283648, 2186213, 2256736, 2567296, 4372426, 4513472, 8744852, 9026944, 17489704, 34979408, 69958816, 139917632, 279835264]

約数ペア:

[(1, 279835264), (2, 139917632), (4, 69958816), (8, 34979408), (16, 17489704), (31, 9026944), (32, 8744852), (62, 4513472), (64, 4372426), (109, 2567296), (124, 2256736), (128, 2186213), (218, 1283648), (248, 1128368), (436, 641824), (496, 564184), (647, 432512), (872, 320912), (992, 282092), (1294, 216256), (1744, 160456), (1984, 141046), (2588, 108128), (3379, 82816), (3488, 80228), (3968, 70523), (5176, 54064), (6758, 41408), (6976, 40114), (10352, 27032), (13516, 20704), (13952, 20057)]