128228090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{3257}}^1$

素因数の和:3422

約数の個数: 32

約数和(自身を含む): 240205824

約数和(自身を除く): 111977734

約数列:

[1, 2, 5, 10, 31, 62, 127, 155, 254, 310, 635, 1270, 3257, 3937, 6514, 7874, 16285, 19685, 32570, 39370, 100967, 201934, 413639, 504835, 827278, 1009670, 2068195, 4136390, 12822809, 25645618, 64114045, 128228090]

約数ペア:

[(1, 128228090), (2, 64114045), (5, 25645618), (10, 12822809), (31, 4136390), (62, 2068195), (127, 1009670), (155, 827278), (254, 504835), (310, 413639), (635, 201934), (1270, 100967), (3257, 39370), (3937, 32570), (6514, 19685), (7874, 16285)]