639619885

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{52883}}^1$

素因数の和:52988

約数の個数: 16

約数和(自身を含む): 799606080

約数和(自身を除く): 159986195

約数列:

[1, 5, 41, 59, 205, 295, 2419, 12095, 52883, 264415, 2168203, 3120097, 10841015, 15600485, 127923977, 639619885]

約数ペア:

[(1, 639619885), (5, 127923977), (41, 15600485), (59, 10841015), (205, 3120097), (295, 2168203), (2419, 264415), (12095, 52883)]