400007248

素因数分解:

$2^4\times {\mathrm{977}}^1\times {\mathrm{25589}}^1$

素因数の和:26574

約数の個数: 20

約数和(自身を含む): 775837620

約数和(自身を除く): 375830372

約数列:

[1, 2, 4, 8, 16, 977, 1954, 3908, 7816, 15632, 25589, 51178, 102356, 204712, 409424, 25000453, 50000906, 100001812, 200003624, 400007248]

約数ペア:

[(1, 400007248), (2, 200003624), (4, 100001812), (8, 50000906), (16, 25000453), (977, 409424), (1954, 204712), (3908, 102356), (7816, 51178), (15632, 25589)]