817361978

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{71711}}^1$

素因数の和:71893

約数の個数: 16

約数和(自身を含む): 1264999680

約数和(自身を除く): 447637702

約数列:

[1, 2, 41, 82, 139, 278, 5699, 11398, 71711, 143422, 2940151, 5880302, 9967829, 19935658, 408680989, 817361978]

約数ペア:

[(1, 817361978), (2, 408680989), (41, 19935658), (82, 9967829), (139, 5880302), (278, 2940151), (5699, 143422), (11398, 71711)]