256441486

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{3301}}^1$

素因数の和:3520

約数の個数: 32

約数和(自身を含む): 456468480

約数和(自身を除く): 200026994

約数列:

[1, 2, 7, 14, 31, 62, 179, 217, 358, 434, 1253, 2506, 3301, 5549, 6602, 11098, 23107, 38843, 46214, 77686, 102331, 204662, 590879, 716317, 1181758, 1432634, 4136153, 8272306, 18317249, 36634498, 128220743, 256441486]

約数ペア:

[(1, 256441486), (2, 128220743), (7, 36634498), (14, 18317249), (31, 8272306), (62, 4136153), (179, 1432634), (217, 1181758), (358, 716317), (434, 590879), (1253, 204662), (2506, 102331), (3301, 77686), (5549, 46214), (6602, 38843), (11098, 23107)]