16898765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{373}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 23750496

約数和(自身を除く): 6851731

約数列:

[1, 5, 13, 17, 41, 65, 85, 205, 221, 373, 533, 697, 1105, 1865, 2665, 3485, 4849, 6341, 9061, 15293, 24245, 31705, 45305, 76465, 82433, 198809, 259981, 412165, 994045, 1299905, 3379753, 16898765]

約数ペア:

[(1, 16898765), (5, 3379753), (13, 1299905), (17, 994045), (41, 412165), (65, 259981), (85, 198809), (205, 82433), (221, 76465), (373, 45305), (533, 31705), (697, 24245), (1105, 15293), (1865, 9061), (2665, 6341), (3485, 4849)]