128663030

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{210923}}^1$

素因数の和:210991

約数の個数: 16

約数和(自身を含む): 235391184

約数和(自身を除く): 106728154

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 210923, 421846, 1054615, 2109230, 12866303, 25732606, 64331515, 128663030]

約数ペア:

[(1, 128663030), (2, 64331515), (5, 25732606), (10, 12866303), (61, 2109230), (122, 1054615), (305, 421846), (610, 210923)]