64275556

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{7759}}^1$

素因数の和:7891

約数の個数: 24

約数和(自身を含む): 119504000

約数和(自身を除く): 55228444

約数列:

[1, 2, 4, 19, 38, 76, 109, 218, 436, 2071, 4142, 7759, 8284, 15518, 31036, 147421, 294842, 589684, 845731, 1691462, 3382924, 16068889, 32137778, 64275556]

約数ペア:

[(1, 64275556), (2, 32137778), (4, 16068889), (19, 3382924), (38, 1691462), (76, 845731), (109, 589684), (218, 294842), (436, 147421), (2071, 31036), (4142, 15518), (7759, 8284)]