28357984

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:647

約数の個数: 48

約数和(自身を含む): 58777488

約数和(自身を除く): 30419504

約数列:

[1, 2, 4, 8, 16, 32, 37, 43, 74, 86, 148, 172, 296, 344, 557, 592, 688, 1114, 1184, 1376, 1591, 2228, 3182, 4456, 6364, 8912, 12728, 17824, 20609, 23951, 25456, 41218, 47902, 50912, 82436, 95804, 164872, 191608, 329744, 383216, 659488, 766432, 886187, 1772374, 3544748, 7089496, 14178992, 28357984]

約数ペア:

[(1, 28357984), (2, 14178992), (4, 7089496), (8, 3544748), (16, 1772374), (32, 886187), (37, 766432), (43, 659488), (74, 383216), (86, 329744), (148, 191608), (172, 164872), (296, 95804), (344, 82436), (557, 50912), (592, 47902), (688, 41218), (1114, 25456), (1184, 23951), (1376, 20609), (1591, 17824), (2228, 12728), (3182, 8912), (4456, 6364)]