8640424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{331}}^1$

素因数の和:601

約数の個数: 32

約数和(自身を含む): 17569440

約数和(自身を除く): 8929016

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 251, 331, 502, 662, 1004, 1324, 2008, 2648, 3263, 4303, 6526, 8606, 13052, 17212, 26104, 34424, 83081, 166162, 332324, 664648, 1080053, 2160106, 4320212, 8640424]

約数ペア:

[(1, 8640424), (2, 4320212), (4, 2160106), (8, 1080053), (13, 664648), (26, 332324), (52, 166162), (104, 83081), (251, 34424), (331, 26104), (502, 17212), (662, 13052), (1004, 8606), (1324, 6526), (2008, 4303), (2648, 3263)]