78680021

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1\times {\mathrm{631}}^1$

素因数の和:1064

約数の個数: 16

約数和(自身を含む): 92221440

約数和(自身を除く): 13541419

約数列:

[1, 7, 47, 329, 379, 631, 2653, 4417, 17813, 29657, 124691, 207599, 239149, 1674043, 11240003, 78680021]

約数ペア:

[(1, 78680021), (7, 11240003), (47, 1674043), (329, 239149), (379, 207599), (631, 124691), (2653, 29657), (4417, 17813)]