28292665

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1747}}^1$

素因数の和:1872

約数の個数: 16

約数和(自身を含む): 35239680

約数和(自身を除く): 6947015

約数列:

[1, 5, 41, 79, 205, 395, 1747, 3239, 8735, 16195, 71627, 138013, 358135, 690065, 5658533, 28292665]

約数ペア:

[(1, 28292665), (5, 5658533), (41, 690065), (79, 358135), (205, 138013), (395, 71627), (1747, 16195), (3239, 8735)]