1641978

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{2339}}^1$

素因数の和:2363

約数の個数: 32

約数和(自身を含む): 3931200

約数和(自身を除く): 2289222

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 2339, 4678, 7017, 14034, 21051, 30407, 42102, 60814, 63153, 91221, 126306, 182442, 273663, 547326, 820989, 1641978]

約数ペア:

[(1, 1641978), (2, 820989), (3, 547326), (6, 273663), (9, 182442), (13, 126306), (18, 91221), (26, 63153), (27, 60814), (39, 42102), (54, 30407), (78, 21051), (117, 14034), (234, 7017), (351, 4678), (702, 2339)]