81290808

素因数分解:

$2^3\times 3^2\times {\mathrm{557}}^1\times {\mathrm{2027}}^1$

素因数の和:2596

約数の個数: 48

約数和(自身を含む): 220666680

約数和(自身を除く): 139375872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 557, 1114, 1671, 2027, 2228, 3342, 4054, 4456, 5013, 6081, 6684, 8108, 10026, 12162, 13368, 16216, 18243, 20052, 24324, 36486, 40104, 48648, 72972, 145944, 1129039, 2258078, 3387117, 4516156, 6774234, 9032312, 10161351, 13548468, 20322702, 27096936, 40645404, 81290808]

約数ペア:

[(1, 81290808), (2, 40645404), (3, 27096936), (4, 20322702), (6, 13548468), (8, 10161351), (9, 9032312), (12, 6774234), (18, 4516156), (24, 3387117), (36, 2258078), (72, 1129039), (557, 145944), (1114, 72972), (1671, 48648), (2027, 40104), (2228, 36486), (3342, 24324), (4054, 20052), (4456, 18243), (5013, 16216), (6081, 13368), (6684, 12162), (8108, 10026)]