1296141721

素因数分解:

$7^1\times {\mathrm{257}}^1\times {\mathrm{379}}^1\times {\mathrm{1901}}^1$

素因数の和:2544

約数の個数: 16

約数和(自身を含む): 1491776640

約数和(自身を除く): 195634919

約数列:

[1, 7, 257, 379, 1799, 1901, 2653, 13307, 97403, 488557, 681821, 720479, 3419899, 5043353, 185163103, 1296141721]

約数ペア:

[(1, 1296141721), (7, 185163103), (257, 5043353), (379, 3419899), (1799, 720479), (1901, 681821), (2653, 488557), (13307, 97403)]