1278482686

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{569}}^1\times {\mathrm{971}}^1$

素因数の和:1644

約数の個数: 32

約数和(自身を含む): 2094271200

約数和(自身を除く): 815788514

約数列:

[1, 2, 13, 26, 89, 178, 569, 971, 1138, 1157, 1942, 2314, 7397, 12623, 14794, 25246, 50641, 86419, 101282, 172838, 552499, 658333, 1104998, 1123447, 1316666, 2246894, 7182487, 14364974, 49172411, 98344822, 639241343, 1278482686]

約数ペア:

[(1, 1278482686), (2, 639241343), (13, 98344822), (26, 49172411), (89, 14364974), (178, 7182487), (569, 2246894), (971, 1316666), (1138, 1123447), (1157, 1104998), (1942, 658333), (2314, 552499), (7397, 172838), (12623, 101282), (14794, 86419), (25246, 50641)]