256906984

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{21169}}^1$

素因数の和:21253

約数の個数: 32

約数和(自身を含む): 506809800

約数和(自身を除く): 249902816

約数列:

[1, 2, 4, 8, 37, 41, 74, 82, 148, 164, 296, 328, 1517, 3034, 6068, 12136, 21169, 42338, 84676, 169352, 783253, 867929, 1566506, 1735858, 3133012, 3471716, 6266024, 6943432, 32113373, 64226746, 128453492, 256906984]

約数ペア:

[(1, 256906984), (2, 128453492), (4, 64226746), (8, 32113373), (37, 6943432), (41, 6266024), (74, 3471716), (82, 3133012), (148, 1735858), (164, 1566506), (296, 867929), (328, 783253), (1517, 169352), (3034, 84676), (6068, 42338), (12136, 21169)]