78661764

素因数分解:

$2^2\times 3^2\times {\mathrm{401}}^1\times {\mathrm{5449}}^1$

素因数の和:5860

約数の個数: 36

約数和(自身を含む): 199371900

約数和(自身を除く): 120710136

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 401, 802, 1203, 1604, 2406, 3609, 4812, 5449, 7218, 10898, 14436, 16347, 21796, 32694, 49041, 65388, 98082, 196164, 2185049, 4370098, 6555147, 8740196, 13110294, 19665441, 26220588, 39330882, 78661764]

約数ペア:

[(1, 78661764), (2, 39330882), (3, 26220588), (4, 19665441), (6, 13110294), (9, 8740196), (12, 6555147), (18, 4370098), (36, 2185049), (401, 196164), (802, 98082), (1203, 65388), (1604, 49041), (2406, 32694), (3609, 21796), (4812, 16347), (5449, 14436), (7218, 10898)]