77979130

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{2137}}^1$

素因数の和:2274

約数の個数: 32

約数和(自身を含む): 145469520

約数和(自身を除く): 67490390

約数列:

[1, 2, 5, 10, 41, 82, 89, 178, 205, 410, 445, 890, 2137, 3649, 4274, 7298, 10685, 18245, 21370, 36490, 87617, 175234, 190193, 380386, 438085, 876170, 950965, 1901930, 7797913, 15595826, 38989565, 77979130]

約数ペア:

[(1, 77979130), (2, 38989565), (5, 15595826), (10, 7797913), (41, 1901930), (82, 950965), (89, 876170), (178, 438085), (205, 380386), (410, 190193), (445, 175234), (890, 87617), (2137, 36490), (3649, 21370), (4274, 18245), (7298, 10685)]