256439256

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{260609}}^1$

素因数の和:260659

約数の個数: 32

約数和(自身を含む): 656737200

約数和(自身を除く): 400297944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 328, 492, 984, 260609, 521218, 781827, 1042436, 1563654, 2084872, 3127308, 6254616, 10684969, 21369938, 32054907, 42739876, 64109814, 85479752, 128219628, 256439256]

約数ペア:

[(1, 256439256), (2, 128219628), (3, 85479752), (4, 64109814), (6, 42739876), (8, 32054907), (12, 21369938), (24, 10684969), (41, 6254616), (82, 3127308), (123, 2084872), (164, 1563654), (246, 1042436), (328, 781827), (492, 521218), (984, 260609)]