1721342642

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{131581}}^1$

素因数の和:131825

約数の個数: 16

約数和(自身を含む): 2677956864

約数和(自身を除く): 956614222

約数列:

[1, 2, 31, 62, 211, 422, 6541, 13082, 131581, 263162, 4079011, 8158022, 27763591, 55527182, 860671321, 1721342642]

約数ペア:

[(1, 1721342642), (2, 860671321), (31, 55527182), (62, 27763591), (211, 8158022), (422, 4079011), (6541, 263162), (13082, 131581)]