28742768

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:381

約数の個数: 40

約数和(自身を含む): 57103488

約数和(自身を除く): 28360720

約数列:

[1, 2, 4, 8, 16, 103, 107, 163, 206, 214, 326, 412, 428, 652, 824, 856, 1304, 1648, 1712, 2608, 11021, 16789, 17441, 22042, 33578, 34882, 44084, 67156, 69764, 88168, 134312, 139528, 176336, 268624, 279056, 1796423, 3592846, 7185692, 14371384, 28742768]

約数ペア:

[(1, 28742768), (2, 14371384), (4, 7185692), (8, 3592846), (16, 1796423), (103, 279056), (107, 268624), (163, 176336), (206, 139528), (214, 134312), (326, 88168), (412, 69764), (428, 67156), (652, 44084), (824, 34882), (856, 33578), (1304, 22042), (1648, 17441), (1712, 16789), (2608, 11021)]