78878964

素因数分解:

$2^2\times 3^1\times {\mathrm{1213}}^1\times {\mathrm{5419}}^1$

素因数の和:6639

約数の個数: 24

約数和(自身を含む): 184236640

約数和(自身を除く): 105357676

約数列:

[1, 2, 3, 4, 6, 12, 1213, 2426, 3639, 4852, 5419, 7278, 10838, 14556, 16257, 21676, 32514, 65028, 6573247, 13146494, 19719741, 26292988, 39439482, 78878964]

約数ペア:

[(1, 78878964), (2, 39439482), (3, 26292988), (4, 19719741), (6, 13146494), (12, 6573247), (1213, 65028), (2426, 32514), (3639, 21676), (4852, 16257), (5419, 14556), (7278, 10838)]