161257408

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^2$

素因数の和:246

約数の個数: 84

約数和(自身を含む): 366374680

約数和(自身を除く): 205117272

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 101, 104, 152, 202, 208, 247, 304, 404, 416, 494, 608, 808, 832, 988, 1216, 1313, 1616, 1919, 1976, 2626, 3232, 3838, 3952, 5252, 6464, 7676, 7904, 10201, 10504, 15352, 15808, 20402, 21008, 24947, 30704, 40804, 42016, 49894, 61408, 81608, 84032, 99788, 122816, 132613, 163216, 193819, 199576, 265226, 326432, 387638, 399152, 530452, 652864, 775276, 798304, 1060904, 1550552, 1596608, 2121808, 2519647, 3101104, 4243616, 5039294, 6202208, 8487232, 10078588, 12404416, 20157176, 40314352, 80628704, 161257408]

約数ペア:

[(1, 161257408), (2, 80628704), (4, 40314352), (8, 20157176), (13, 12404416), (16, 10078588), (19, 8487232), (26, 6202208), (32, 5039294), (38, 4243616), (52, 3101104), (64, 2519647), (76, 2121808), (101, 1596608), (104, 1550552), (152, 1060904), (202, 798304), (208, 775276), (247, 652864), (304, 530452), (404, 399152), (416, 387638), (494, 326432), (608, 265226), (808, 199576), (832, 193819), (988, 163216), (1216, 132613), (1313, 122816), (1616, 99788), (1919, 84032), (1976, 81608), (2626, 61408), (3232, 49894), (3838, 42016), (3952, 40804), (5252, 30704), (6464, 24947), (7676, 21008), (7904, 20402), (10201, 15808), (10504, 15352)]