13317005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 18627840

約数和(自身を除く): 5310835

約数列:

[1, 5, 13, 19, 41, 65, 95, 205, 247, 263, 533, 779, 1235, 1315, 2665, 3419, 3895, 4997, 10127, 10783, 17095, 24985, 50635, 53915, 64961, 140179, 204877, 324805, 700895, 1024385, 2663401, 13317005]

約数ペア:

[(1, 13317005), (5, 2663401), (13, 1024385), (19, 700895), (41, 324805), (65, 204877), (95, 140179), (205, 64961), (247, 53915), (263, 50635), (533, 24985), (779, 17095), (1235, 10783), (1315, 10127), (2665, 4997), (3419, 3895)]