645667042

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{313}}^1$

素因数の和:658

約数の個数: 32

約数和(自身を含む): 1003795200

約数和(自身を除く): 358128158

約数列:

[1, 2, 71, 73, 142, 146, 199, 313, 398, 626, 5183, 10366, 14129, 14527, 22223, 22849, 28258, 29054, 44446, 45698, 62287, 124574, 1031417, 1622279, 2062834, 3244558, 4422377, 4546951, 8844754, 9093902, 322833521, 645667042]

約数ペア:

[(1, 645667042), (2, 322833521), (71, 9093902), (73, 8844754), (142, 4546951), (146, 4422377), (199, 3244558), (313, 2062834), (398, 1622279), (626, 1031417), (5183, 124574), (10366, 62287), (14129, 45698), (14527, 44446), (22223, 29054), (22849, 28258)]