68621102972

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{398959901}}^1$

素因数の和:398959948

約数の個数: 12

約数和(自身を含む): 122879649816

約数和(自身を除く): 54258546844

約数列:

[1, 2, 4, 43, 86, 172, 398959901, 797919802, 1595839604, 17155275743, 34310551486, 68621102972]

約数ペア:

[(1, 68621102972), (2, 34310551486), (4, 17155275743), (43, 1595839604), (86, 797919802), (172, 398959901)]