664173842

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{3911}}^1$

素因数の和:4082

約数の個数: 32

約数和(自身を含む): 1084406400

約数和(自身を除く): 420232558

約数列:

[1, 2, 19, 38, 41, 82, 109, 218, 779, 1558, 2071, 3911, 4142, 4469, 7822, 8938, 74309, 84911, 148618, 160351, 169822, 320702, 426299, 852598, 3046669, 6093338, 8099681, 16199362, 17478259, 34956518, 332086921, 664173842]

約数ペア:

[(1, 664173842), (2, 332086921), (19, 34956518), (38, 17478259), (41, 16199362), (82, 8099681), (109, 6093338), (218, 3046669), (779, 852598), (1558, 426299), (2071, 320702), (3911, 169822), (4142, 160351), (4469, 148618), (7822, 84911), (8938, 74309)]