66745810

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{50951}}^1$

素因数の和:51089

約数の個数: 16

約数和(自身を含む): 121061952

約数和(自身を除く): 54316142

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 50951, 101902, 254755, 509510, 6674581, 13349162, 33372905, 66745810]

約数ペア:

[(1, 66745810), (2, 33372905), (5, 13349162), (10, 6674581), (131, 509510), (262, 254755), (655, 101902), (1310, 50951)]