1638558

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:153

約数の個数: 48

約数和(自身を含む): 3809520

約数和(自身を除く): 2170962

約数列:

[1, 2, 3, 6, 9, 18, 29, 43, 58, 73, 86, 87, 129, 146, 174, 219, 258, 261, 387, 438, 522, 657, 774, 1247, 1314, 2117, 2494, 3139, 3741, 4234, 6278, 6351, 7482, 9417, 11223, 12702, 18834, 19053, 22446, 28251, 38106, 56502, 91031, 182062, 273093, 546186, 819279, 1638558]

約数ペア:

[(1, 1638558), (2, 819279), (3, 546186), (6, 273093), (9, 182062), (18, 91031), (29, 56502), (43, 38106), (58, 28251), (73, 22446), (86, 19053), (87, 18834), (129, 12702), (146, 11223), (174, 9417), (219, 7482), (258, 6351), (261, 6278), (387, 4234), (438, 3741), (522, 3139), (657, 2494), (774, 2117), (1247, 1314)]