245250898

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{90901}}^1$

素因数の和:90993

約数の個数: 16

約数和(自身を含む): 392696640

約数和(自身を除く): 147445742

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 90901, 181802, 1727119, 3454238, 6453971, 12907942, 122625449, 245250898]

約数ペア:

[(1, 245250898), (2, 122625449), (19, 12907942), (38, 6453971), (71, 3454238), (142, 1727119), (1349, 181802), (2698, 90901)]