161641216

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{941}}^1$

素因数の和:1029

約数の個数: 72

約数和(自身を含む): 358133328

約数和(自身を除く): 196492112

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 61, 64, 88, 122, 128, 176, 244, 256, 352, 488, 671, 704, 941, 976, 1342, 1408, 1882, 1952, 2684, 2816, 3764, 3904, 5368, 7528, 7808, 10351, 10736, 15056, 15616, 20702, 21472, 30112, 41404, 42944, 57401, 60224, 82808, 85888, 114802, 120448, 165616, 171776, 229604, 240896, 331232, 459208, 631411, 662464, 918416, 1262822, 1324928, 1836832, 2525644, 2649856, 3673664, 5051288, 7347328, 10102576, 14694656, 20205152, 40410304, 80820608, 161641216]

約数ペア:

[(1, 161641216), (2, 80820608), (4, 40410304), (8, 20205152), (11, 14694656), (16, 10102576), (22, 7347328), (32, 5051288), (44, 3673664), (61, 2649856), (64, 2525644), (88, 1836832), (122, 1324928), (128, 1262822), (176, 918416), (244, 662464), (256, 631411), (352, 459208), (488, 331232), (671, 240896), (704, 229604), (941, 171776), (976, 165616), (1342, 120448), (1408, 114802), (1882, 85888), (1952, 82808), (2684, 60224), (2816, 57401), (3764, 42944), (3904, 41404), (5368, 30112), (7528, 21472), (7808, 20702), (10351, 15616), (10736, 15056)]