989878375

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{193147}}^1$

素因数の和:193203

約数の個数: 16

約数和(自身を含む): 1265505696

約数和(自身を除く): 275627321

約数列:

[1, 5, 25, 41, 125, 205, 1025, 5125, 193147, 965735, 4828675, 7919027, 24143375, 39595135, 197975675, 989878375]

約数ペア:

[(1, 989878375), (5, 197975675), (25, 39595135), (41, 24143375), (125, 7919027), (205, 4828675), (1025, 965735), (5125, 193147)]