256626045

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{4259}}^1$

素因数の和:4386

約数の個数: 48

約数和(自身を含む): 483799680

約数和(自身を除く): 227173635

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 103, 117, 195, 309, 515, 585, 927, 1339, 1545, 4017, 4259, 4635, 6695, 12051, 12777, 20085, 21295, 38331, 55367, 60255, 63885, 166101, 191655, 276835, 438677, 498303, 830505, 1316031, 2193385, 2491515, 3948093, 5702801, 6580155, 17108403, 19740465, 28514005, 51325209, 85542015, 256626045]

約数ペア:

[(1, 256626045), (3, 85542015), (5, 51325209), (9, 28514005), (13, 19740465), (15, 17108403), (39, 6580155), (45, 5702801), (65, 3948093), (103, 2491515), (117, 2193385), (195, 1316031), (309, 830505), (515, 498303), (585, 438677), (927, 276835), (1339, 191655), (1545, 166101), (4017, 63885), (4259, 60255), (4635, 55367), (6695, 38331), (12051, 21295), (12777, 20085)]