209528508

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{8287}}^1$

素因数の和:8351

約数の個数: 72

約数和(自身を含む): 582016512

約数和(自身を除く): 372488004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 49, 84, 86, 98, 129, 147, 172, 196, 258, 294, 301, 516, 588, 602, 903, 1204, 1806, 2107, 3612, 4214, 6321, 8287, 8428, 12642, 16574, 24861, 25284, 33148, 49722, 58009, 99444, 116018, 174027, 232036, 348054, 356341, 406063, 696108, 712682, 812126, 1069023, 1218189, 1425364, 1624252, 2138046, 2436378, 2494387, 4276092, 4872756, 4988774, 7483161, 9977548, 14966322, 17460709, 29932644, 34921418, 52382127, 69842836, 104764254, 209528508]

約数ペア:

[(1, 209528508), (2, 104764254), (3, 69842836), (4, 52382127), (6, 34921418), (7, 29932644), (12, 17460709), (14, 14966322), (21, 9977548), (28, 7483161), (42, 4988774), (43, 4872756), (49, 4276092), (84, 2494387), (86, 2436378), (98, 2138046), (129, 1624252), (147, 1425364), (172, 1218189), (196, 1069023), (258, 812126), (294, 712682), (301, 696108), (516, 406063), (588, 356341), (602, 348054), (903, 232036), (1204, 174027), (1806, 116018), (2107, 99444), (3612, 58009), (4214, 49722), (6321, 33148), (8287, 25284), (8428, 24861), (12642, 16574)]