220178315

素因数分解:

$5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{19121}}^1$

素因数の和:19187

約数の個数: 24

約数和(自身を含む): 313906752

約数和(自身を除く): 93728437

約数列:

[1, 5, 7, 35, 47, 49, 235, 245, 329, 1645, 2303, 11515, 19121, 95605, 133847, 669235, 898687, 936929, 4493435, 4684645, 6290809, 31454045, 44035663, 220178315]

約数ペア:

[(1, 220178315), (5, 44035663), (7, 31454045), (35, 6290809), (47, 4684645), (49, 4493435), (235, 936929), (245, 898687), (329, 669235), (1645, 133847), (2303, 95605), (11515, 19121)]