1291298515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{685039}}^1$

素因数の和:685086

約数の個数: 16

約数和(自身を含む): 1726300800

約数和(自身を除く): 435002285

約数列:

[1, 5, 13, 29, 65, 145, 377, 1885, 685039, 3425195, 8905507, 19866131, 44527535, 99330655, 258259703, 1291298515]

約数ペア:

[(1, 1291298515), (5, 258259703), (13, 99330655), (29, 44527535), (65, 19866131), (145, 8905507), (377, 3425195), (1885, 685039)]