156837191

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 205336800

約数和(自身を除く): 48499609

約数列:

[1, 7, 19, 29, 37, 49, 133, 157, 203, 259, 551, 703, 931, 1073, 1099, 1421, 1813, 2983, 3857, 4553, 4921, 5809, 7511, 7693, 20387, 20881, 26999, 31871, 34447, 40663, 52577, 86507, 110371, 142709, 146167, 168461, 223097, 284641, 605549, 772597, 998963, 1179227, 3200759, 4238843, 5408179, 8254589, 22405313, 156837191]

約数ペア:

[(1, 156837191), (7, 22405313), (19, 8254589), (29, 5408179), (37, 4238843), (49, 3200759), (133, 1179227), (157, 998963), (203, 772597), (259, 605549), (551, 284641), (703, 223097), (931, 168461), (1073, 146167), (1099, 142709), (1421, 110371), (1813, 86507), (2983, 52577), (3857, 40663), (4553, 34447), (4921, 31871), (5809, 26999), (7511, 20881), (7693, 20387)]