28230704

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1109}}^1$

素因数の和:1197

約数の個数: 40

約数和(自身を含む): 57533520

約数和(自身を除く): 29302816

約数列:

[1, 2, 4, 8, 16, 37, 43, 74, 86, 148, 172, 296, 344, 592, 688, 1109, 1591, 2218, 3182, 4436, 6364, 8872, 12728, 17744, 25456, 41033, 47687, 82066, 95374, 164132, 190748, 328264, 381496, 656528, 762992, 1764419, 3528838, 7057676, 14115352, 28230704]

約数ペア:

[(1, 28230704), (2, 14115352), (4, 7057676), (8, 3528838), (16, 1764419), (37, 762992), (43, 656528), (74, 381496), (86, 328264), (148, 190748), (172, 164132), (296, 95374), (344, 82066), (592, 47687), (688, 41033), (1109, 25456), (1591, 17744), (2218, 12728), (3182, 8872), (4436, 6364)]