644972009

素因数分解:

${\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1\times {\mathrm{2003}}^1$

素因数の和:2488

約数の個数: 16

約数和(自身を含む): 715379904

約数和(自身を除く): 70407895

約数列:

[1, 11, 73, 401, 803, 2003, 4411, 22033, 29273, 146219, 322003, 803203, 1608409, 8835233, 58633819, 644972009]

約数ペア:

[(1, 644972009), (11, 58633819), (73, 8835233), (401, 1608409), (803, 803203), (2003, 322003), (4411, 146219), (22033, 29273)]