199900311

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2671}}^1$

素因数の和:2807

約数の個数: 32

約数和(自身を含む): 305249280

約数和(自身を除く): 105348969

約数列:

[1, 3, 13, 19, 39, 57, 101, 247, 303, 741, 1313, 1919, 2671, 3939, 5757, 8013, 24947, 34723, 50749, 74841, 104169, 152247, 269771, 659737, 809313, 1979211, 3507023, 5125649, 10521069, 15376947, 66633437, 199900311]

約数ペア:

[(1, 199900311), (3, 66633437), (13, 15376947), (19, 10521069), (39, 5125649), (57, 3507023), (101, 1979211), (247, 809313), (303, 659737), (741, 269771), (1313, 152247), (1919, 104169), (2671, 74841), (3939, 50749), (5757, 34723), (8013, 24947)]