81981576

素因数分解:

$2^3\times 3^2\times {\mathrm{509}}^1\times {\mathrm{2237}}^1$

素因数の和:2758

約数の個数: 48

約数和(自身を含む): 222569100

約数和(自身を除く): 140587524

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 509, 1018, 1527, 2036, 2237, 3054, 4072, 4474, 4581, 6108, 6711, 8948, 9162, 12216, 13422, 17896, 18324, 20133, 26844, 36648, 40266, 53688, 80532, 161064, 1138633, 2277266, 3415899, 4554532, 6831798, 9109064, 10247697, 13663596, 20495394, 27327192, 40990788, 81981576]

約数ペア:

[(1, 81981576), (2, 40990788), (3, 27327192), (4, 20495394), (6, 13663596), (8, 10247697), (9, 9109064), (12, 6831798), (18, 4554532), (24, 3415899), (36, 2277266), (72, 1138633), (509, 161064), (1018, 80532), (1527, 53688), (2036, 40266), (2237, 36648), (3054, 26844), (4072, 20133), (4474, 18324), (4581, 17896), (6108, 13422), (6711, 12216), (8948, 9162)]