4216556

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 7854000

約数和(自身を除く): 3637444

約数列:

[1, 2, 4, 19, 38, 76, 109, 218, 436, 509, 1018, 2036, 2071, 4142, 8284, 9671, 19342, 38684, 55481, 110962, 221924, 1054139, 2108278, 4216556]

約数ペア:

[(1, 4216556), (2, 2108278), (4, 1054139), (19, 221924), (38, 110962), (76, 55481), (109, 38684), (218, 19342), (436, 9671), (509, 8284), (1018, 4142), (2036, 2071)]