3925790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 7814880

約数和(自身を除く): 3889090

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 401, 445, 802, 890, 979, 1958, 2005, 4010, 4411, 4895, 8822, 9790, 22055, 35689, 44110, 71378, 178445, 356890, 392579, 785158, 1962895, 3925790]

約数ペア:

[(1, 3925790), (2, 1962895), (5, 785158), (10, 392579), (11, 356890), (22, 178445), (55, 71378), (89, 44110), (110, 35689), (178, 22055), (401, 9790), (445, 8822), (802, 4895), (890, 4411), (979, 4010), (1958, 2005)]