15890994

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:484

約数の個数: 72

約数和(自身を含む): 41081040

約数和(自身を除く): 25190046

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 49, 63, 86, 98, 126, 129, 147, 258, 294, 301, 387, 419, 441, 602, 774, 838, 882, 903, 1257, 1806, 2107, 2514, 2709, 2933, 3771, 4214, 5418, 5866, 6321, 7542, 8799, 12642, 17598, 18017, 18963, 20531, 26397, 36034, 37926, 41062, 52794, 54051, 61593, 108102, 123186, 126119, 162153, 184779, 252238, 324306, 369558, 378357, 756714, 882833, 1135071, 1765666, 2270142, 2648499, 5296998, 7945497, 15890994]

約数ペア:

[(1, 15890994), (2, 7945497), (3, 5296998), (6, 2648499), (7, 2270142), (9, 1765666), (14, 1135071), (18, 882833), (21, 756714), (42, 378357), (43, 369558), (49, 324306), (63, 252238), (86, 184779), (98, 162153), (126, 126119), (129, 123186), (147, 108102), (258, 61593), (294, 54051), (301, 52794), (387, 41062), (419, 37926), (441, 36034), (602, 26397), (774, 20531), (838, 18963), (882, 18017), (903, 17598), (1257, 12642), (1806, 8799), (2107, 7542), (2514, 6321), (2709, 5866), (2933, 5418), (3771, 4214)]