1640353315

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{179}}^1\times {\mathrm{5077}}^1$

素因数の和:5299

約数の個数: 24

約数和(自身を含む): 2089495440

約数和(自身を除く): 449142125

約数列:

[1, 5, 19, 95, 179, 361, 895, 1805, 3401, 5077, 17005, 25385, 64619, 96463, 323095, 482315, 908783, 1832797, 4543915, 9163985, 17266877, 86334385, 328070663, 1640353315]

約数ペア:

[(1, 1640353315), (5, 328070663), (19, 86334385), (95, 17266877), (179, 9163985), (361, 4543915), (895, 1832797), (1805, 908783), (3401, 482315), (5077, 323095), (17005, 96463), (25385, 64619)]