215525516

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{17209}}^1$

素因数の和:17345

約数の個数: 24

約数和(自身を含む): 393214080

約数和(自身を除く): 177688564

約数列:

[1, 2, 4, 31, 62, 101, 124, 202, 404, 3131, 6262, 12524, 17209, 34418, 68836, 533479, 1066958, 1738109, 2133916, 3476218, 6952436, 53881379, 107762758, 215525516]

約数ペア:

[(1, 215525516), (2, 107762758), (4, 53881379), (31, 6952436), (62, 3476218), (101, 2133916), (124, 1738109), (202, 1066958), (404, 533479), (3131, 68836), (6262, 34418), (12524, 17209)]