255449378

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1\times {\mathrm{317}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 412334064

約数和(自身を除く): 156884686

約数列:

[1, 2, 17, 34, 137, 173, 274, 317, 346, 634, 2329, 2941, 4658, 5389, 5882, 10778, 23701, 43429, 47402, 54841, 86858, 109682, 402917, 738293, 805834, 932297, 1476586, 1864594, 7513217, 15026434, 127724689, 255449378]

約数ペア:

[(1, 255449378), (2, 127724689), (17, 15026434), (34, 7513217), (137, 1864594), (173, 1476586), (274, 932297), (317, 805834), (346, 738293), (634, 402917), (2329, 109682), (2941, 86858), (4658, 54841), (5389, 47402), (5882, 43429), (10778, 23701)]