1391112

素因数分解:

$2^3\times 3^2\times {\mathrm{139}}^2$

素因数の和:290

約数の個数: 36

約数和(自身を含む): 3794895

約数和(自身を除く): 2403783

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 139, 278, 417, 556, 834, 1112, 1251, 1668, 2502, 3336, 5004, 10008, 19321, 38642, 57963, 77284, 115926, 154568, 173889, 231852, 347778, 463704, 695556, 1391112]

約数ペア:

[(1, 1391112), (2, 695556), (3, 463704), (4, 347778), (6, 231852), (8, 173889), (9, 154568), (12, 115926), (18, 77284), (24, 57963), (36, 38642), (72, 19321), (139, 10008), (278, 5004), (417, 3336), (556, 2502), (834, 1668), (1112, 1251)]