81405012

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{1399}}^1$

素因数の和:1792

約数の個数: 48

約数和(自身を含む): 205251200

約数和(自身を除く): 123846188

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 373, 746, 1119, 1399, 1492, 2238, 2798, 4197, 4476, 4849, 5596, 8394, 9698, 14547, 16788, 18187, 19396, 29094, 36374, 54561, 58188, 72748, 109122, 218244, 521827, 1043654, 1565481, 2087308, 3130962, 6261924, 6783751, 13567502, 20351253, 27135004, 40702506, 81405012]

約数ペア:

[(1, 81405012), (2, 40702506), (3, 27135004), (4, 20351253), (6, 13567502), (12, 6783751), (13, 6261924), (26, 3130962), (39, 2087308), (52, 1565481), (78, 1043654), (156, 521827), (373, 218244), (746, 109122), (1119, 72748), (1399, 58188), (1492, 54561), (2238, 36374), (2798, 29094), (4197, 19396), (4476, 18187), (4849, 16788), (5596, 14547), (8394, 9698)]