1261893595

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{478897}}^1$

素因数の和:478950

約数の個数: 16

約数和(自身を含む): 1655071488

約数和(自身を除く): 393177893

約数列:

[1, 5, 17, 31, 85, 155, 527, 2635, 478897, 2394485, 8141249, 14845807, 40706245, 74229035, 252378719, 1261893595]

約数ペア:

[(1, 1261893595), (5, 252378719), (17, 74229035), (31, 40706245), (85, 14845807), (155, 8141249), (527, 2394485), (2635, 478897)]