639324

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:119

約数の個数: 72

約数和(自身を含む): 1921920

約数和(自身を除く): 1282596

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 59, 63, 84, 86, 118, 126, 129, 172, 177, 236, 252, 258, 301, 354, 387, 413, 516, 531, 602, 708, 774, 826, 903, 1062, 1204, 1239, 1548, 1652, 1806, 2124, 2478, 2537, 2709, 3612, 3717, 4956, 5074, 5418, 7434, 7611, 10148, 10836, 14868, 15222, 17759, 22833, 30444, 35518, 45666, 53277, 71036, 91332, 106554, 159831, 213108, 319662, 639324]

約数ペア:

[(1, 639324), (2, 319662), (3, 213108), (4, 159831), (6, 106554), (7, 91332), (9, 71036), (12, 53277), (14, 45666), (18, 35518), (21, 30444), (28, 22833), (36, 17759), (42, 15222), (43, 14868), (59, 10836), (63, 10148), (84, 7611), (86, 7434), (118, 5418), (126, 5074), (129, 4956), (172, 3717), (177, 3612), (236, 2709), (252, 2537), (258, 2478), (301, 2124), (354, 1806), (387, 1652), (413, 1548), (516, 1239), (531, 1204), (602, 1062), (708, 903), (774, 826)]