1271215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{797}}^1$

素因数の和:842

約数の個数: 16

約数和(自身を含む): 1723680

約数和(自身を除く): 452465

約数列:

[1, 5, 11, 29, 55, 145, 319, 797, 1595, 3985, 8767, 23113, 43835, 115565, 254243, 1271215]

約数ペア:

[(1, 1271215), (5, 254243), (11, 115565), (29, 43835), (55, 23113), (145, 8767), (319, 3985), (797, 1595)]