680416864

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{577}}^1\times {\mathrm{857}}^1$

素因数の和:1487

約数の個数: 48

約数和(自身を含む): 1374701328

約数和(自身を除く): 694284464

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 577, 688, 857, 1154, 1376, 1714, 2308, 3428, 4616, 6856, 9232, 13712, 18464, 24811, 27424, 36851, 49622, 73702, 99244, 147404, 198488, 294808, 396976, 494489, 589616, 793952, 988978, 1179232, 1977956, 3955912, 7911824, 15823648, 21263027, 42526054, 85052108, 170104216, 340208432, 680416864]

約数ペア:

[(1, 680416864), (2, 340208432), (4, 170104216), (8, 85052108), (16, 42526054), (32, 21263027), (43, 15823648), (86, 7911824), (172, 3955912), (344, 1977956), (577, 1179232), (688, 988978), (857, 793952), (1154, 589616), (1376, 494489), (1714, 396976), (2308, 294808), (3428, 198488), (4616, 147404), (6856, 99244), (9232, 73702), (13712, 49622), (18464, 36851), (24811, 27424)]