1311747190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{25163}}^1$

素因数の和:25584

約数の個数: 32

約数和(自身を含む): 2549213856

約数和(自身を除く): 1237466666

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 401, 802, 2005, 4010, 5213, 10426, 25163, 26065, 50326, 52130, 125815, 251630, 327119, 654238, 1635595, 3271190, 10090363, 20180726, 50451815, 100903630, 131174719, 262349438, 655873595, 1311747190]

約数ペア:

[(1, 1311747190), (2, 655873595), (5, 262349438), (10, 131174719), (13, 100903630), (26, 50451815), (65, 20180726), (130, 10090363), (401, 3271190), (802, 1635595), (2005, 654238), (4010, 327119), (5213, 251630), (10426, 125815), (25163, 52130), (26065, 50326)]