66722425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 109243008

約数和(自身を除く): 42520583

約数列:

[1, 5, 7, 11, 23, 25, 35, 55, 77, 115, 121, 137, 161, 175, 253, 275, 385, 575, 605, 685, 805, 847, 959, 1265, 1507, 1771, 1925, 2783, 3025, 3151, 3425, 4025, 4235, 4795, 6325, 7535, 8855, 10549, 13915, 15755, 16577, 19481, 21175, 22057, 23975, 34661, 37675, 44275, 52745, 69575, 78775, 82885, 97405, 110285, 116039, 173305, 242627, 263725, 381271, 414425, 487025, 551425, 580195, 866525, 1213135, 1906355, 2668897, 2900975, 6065675, 9531775, 13344485, 66722425]

約数ペア:

[(1, 66722425), (5, 13344485), (7, 9531775), (11, 6065675), (23, 2900975), (25, 2668897), (35, 1906355), (55, 1213135), (77, 866525), (115, 580195), (121, 551425), (137, 487025), (161, 414425), (175, 381271), (253, 263725), (275, 242627), (385, 173305), (575, 116039), (605, 110285), (685, 97405), (805, 82885), (847, 78775), (959, 69575), (1265, 52745), (1507, 44275), (1771, 37675), (1925, 34661), (2783, 23975), (3025, 22057), (3151, 21175), (3425, 19481), (4025, 16577), (4235, 15755), (4795, 13915), (6325, 10549), (7535, 8855)]