420847288

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{12457}}^1$

素因数の和:12607

約数の個数: 32

約数和(自身を含む): 816248160

約数和(自身を除く): 395400872

約数列:

[1, 2, 4, 8, 41, 82, 103, 164, 206, 328, 412, 824, 4223, 8446, 12457, 16892, 24914, 33784, 49828, 99656, 510737, 1021474, 1283071, 2042948, 2566142, 4085896, 5132284, 10264568, 52605911, 105211822, 210423644, 420847288]

約数ペア:

[(1, 420847288), (2, 210423644), (4, 105211822), (8, 52605911), (41, 10264568), (82, 5132284), (103, 4085896), (164, 2566142), (206, 2042948), (328, 1283071), (412, 1021474), (824, 510737), (4223, 99656), (8446, 49828), (12457, 33784), (16892, 24914)]