28761668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 58470720

約数和(自身を除く): 29709052

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 52, 76, 86, 172, 247, 494, 559, 677, 817, 988, 1118, 1354, 1634, 2236, 2708, 3268, 8801, 10621, 12863, 17602, 21242, 25726, 29111, 35204, 42484, 51452, 58222, 116444, 167219, 334438, 378443, 553109, 668876, 756886, 1106218, 1513772, 2212436, 7190417, 14380834, 28761668]

約数ペア:

[(1, 28761668), (2, 14380834), (4, 7190417), (13, 2212436), (19, 1513772), (26, 1106218), (38, 756886), (43, 668876), (52, 553109), (76, 378443), (86, 334438), (172, 167219), (247, 116444), (494, 58222), (559, 51452), (677, 42484), (817, 35204), (988, 29111), (1118, 25726), (1354, 21242), (1634, 17602), (2236, 12863), (2708, 10621), (3268, 8801)]