128840676722

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{6555443}}^1$

素因数の和:6555793

約数の個数: 16

約数和(自身を含む): 200124594432

約数和(自身を除く): 71283917710

約数列:

[1, 2, 31, 62, 317, 634, 9827, 19654, 6555443, 13110886, 203218733, 406437466, 2078075431, 4156150862, 64420338361, 128840676722]

約数ペア:

[(1, 128840676722), (2, 64420338361), (31, 4156150862), (62, 2078075431), (317, 406437466), (634, 203218733), (9827, 13110886), (19654, 6555443)]