291491330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{937}}^1\times {\mathrm{2393}}^1$

素因数の和:3350

約数の個数: 32

約数和(自身を含む): 565884144

約数和(自身を除く): 274392814

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 937, 1874, 2393, 4685, 4786, 9370, 11965, 12181, 23930, 24362, 31109, 60905, 62218, 121810, 155545, 311090, 2242241, 4484482, 11211205, 22422410, 29149133, 58298266, 145745665, 291491330]

約数ペア:

[(1, 291491330), (2, 145745665), (5, 58298266), (10, 29149133), (13, 22422410), (26, 11211205), (65, 4484482), (130, 2242241), (937, 311090), (1874, 155545), (2393, 121810), (4685, 62218), (4786, 60905), (9370, 31109), (11965, 24362), (12181, 23930)]