257390736

素因数分解:

$2^4\times 3^1\times {\mathrm{263}}^1\times {\mathrm{20389}}^1$

素因数の和:20663

約数の個数: 40

約数和(自身を含む): 667487040

約数和(自身を除く): 410096304

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 263, 526, 789, 1052, 1578, 2104, 3156, 4208, 6312, 12624, 20389, 40778, 61167, 81556, 122334, 163112, 244668, 326224, 489336, 978672, 5362307, 10724614, 16086921, 21449228, 32173842, 42898456, 64347684, 85796912, 128695368, 257390736]

約数ペア:

[(1, 257390736), (2, 128695368), (3, 85796912), (4, 64347684), (6, 42898456), (8, 32173842), (12, 21449228), (16, 16086921), (24, 10724614), (48, 5362307), (263, 978672), (526, 489336), (789, 326224), (1052, 244668), (1578, 163112), (2104, 122334), (3156, 81556), (4208, 61167), (6312, 40778), (12624, 20389)]