1988052142015

素因数分解:

$5^1\times {\mathrm{47}}^2\times {\mathrm{401}}^1\times {\mathrm{448867}}^1$

素因数の和:449367

約数の個数: 24

約数和(自身を含む): 2443585323312

約数和(自身を除く): 455533181297

約数列:

[1, 5, 47, 235, 401, 2005, 2209, 11045, 18847, 94235, 448867, 885809, 2244335, 4429045, 21096749, 105483745, 179995667, 899978335, 991547203, 4957736015, 8459796349, 42298981745, 397610428403, 1988052142015]

約数ペア:

[(1, 1988052142015), (5, 397610428403), (47, 42298981745), (235, 8459796349), (401, 4957736015), (2005, 991547203), (2209, 899978335), (11045, 179995667), (18847, 105483745), (94235, 21096749), (448867, 4429045), (885809, 2244335)]