81263792

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{50287}}^1$

素因数の和:50396

約数の個数: 20

約数和(自身を含む): 159010656

約数和(自身を除く): 77746864

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 50287, 100574, 201148, 402296, 804592, 5078987, 10157974, 20315948, 40631896, 81263792]

約数ペア:

[(1, 81263792), (2, 40631896), (4, 20315948), (8, 10157974), (16, 5078987), (101, 804592), (202, 402296), (404, 201148), (808, 100574), (1616, 50287)]