1298974321

素因数分解:

${\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1\times {\mathrm{641}}^1$

素因数の和:1080

約数の個数: 16

約数和(自身を含む): 1337414400

約数和(自身を除く): 38440079

約数列:

[1, 61, 139, 239, 641, 8479, 14579, 33221, 39101, 89099, 153199, 2026481, 5435039, 9345139, 21294661, 1298974321]

約数ペア:

[(1, 1298974321), (61, 21294661), (139, 9345139), (239, 5435039), (641, 2026481), (8479, 153199), (14579, 89099), (33221, 39101)]