1289184281

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1\times {\mathrm{20393}}^1$

素因数の和:21232

約数の個数: 16

約数和(自身を含む): 1609331328

約数和(自身を除く): 320147047

約数列:

[1, 7, 11, 77, 821, 5747, 9031, 20393, 63217, 142751, 224323, 1570261, 16742653, 117198571, 184169183, 1289184281]

約数ペア:

[(1, 1289184281), (7, 184169183), (11, 117198571), (77, 16742653), (821, 1570261), (5747, 224323), (9031, 142751), (20393, 63217)]