408807896

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1811}}^1$

素因数の和:1992

約数の個数: 64

約数和(自身を含む): 913248000

約数和(自身を除く): 504440104

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 139, 203, 232, 278, 406, 556, 812, 973, 1112, 1624, 1811, 1946, 3622, 3892, 4031, 7244, 7784, 8062, 12677, 14488, 16124, 25354, 28217, 32248, 50708, 52519, 56434, 101416, 105038, 112868, 210076, 225736, 251729, 367633, 420152, 503458, 735266, 1006916, 1470532, 1762103, 2013832, 2941064, 3524206, 7048412, 7300141, 14096824, 14600282, 29200564, 51100987, 58401128, 102201974, 204403948, 408807896]

約数ペア:

[(1, 408807896), (2, 204403948), (4, 102201974), (7, 58401128), (8, 51100987), (14, 29200564), (28, 14600282), (29, 14096824), (56, 7300141), (58, 7048412), (116, 3524206), (139, 2941064), (203, 2013832), (232, 1762103), (278, 1470532), (406, 1006916), (556, 735266), (812, 503458), (973, 420152), (1112, 367633), (1624, 251729), (1811, 225736), (1946, 210076), (3622, 112868), (3892, 105038), (4031, 101416), (7244, 56434), (7784, 52519), (8062, 50708), (12677, 32248), (14488, 28217), (16124, 25354)]