81269290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{827}}^1$

素因数の和:1182

約数の個数: 32

約数和(自身を含む): 151663104

約数和(自身を除く): 70393814

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 317, 634, 827, 1585, 1654, 3170, 4135, 8270, 9827, 19654, 25637, 49135, 51274, 98270, 128185, 256370, 262159, 524318, 1310795, 2621590, 8126929, 16253858, 40634645, 81269290]

約数ペア:

[(1, 81269290), (2, 40634645), (5, 16253858), (10, 8126929), (31, 2621590), (62, 1310795), (155, 524318), (310, 262159), (317, 256370), (634, 128185), (827, 98270), (1585, 51274), (1654, 49135), (3170, 25637), (4135, 19654), (8270, 9827)]