401045648

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{313}}^1\times {\mathrm{1097}}^1$

素因数の和:1491

約数の個数: 40

約数和(自身を含む): 790906968

約数和(自身を除く): 389861320

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 313, 584, 626, 1097, 1168, 1252, 2194, 2504, 4388, 5008, 8776, 17552, 22849, 45698, 80081, 91396, 160162, 182792, 320324, 343361, 365584, 640648, 686722, 1281296, 1373444, 2746888, 5493776, 25065353, 50130706, 100261412, 200522824, 401045648]

約数ペア:

[(1, 401045648), (2, 200522824), (4, 100261412), (8, 50130706), (16, 25065353), (73, 5493776), (146, 2746888), (292, 1373444), (313, 1281296), (584, 686722), (626, 640648), (1097, 365584), (1168, 343361), (1252, 320324), (2194, 182792), (2504, 160162), (4388, 91396), (5008, 80081), (8776, 45698), (17552, 22849)]