1320166678

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{1181}}^1\times {\mathrm{4021}}^1$

素因数の和:5343

約数の個数: 16

約数和(自身を含む): 1996681680

約数和(自身を除く): 676515002

約数列:

[1, 2, 139, 278, 1181, 2362, 4021, 8042, 164159, 328318, 558919, 1117838, 4748801, 9497602, 660083339, 1320166678]

約数ペア:

[(1, 1320166678), (2, 660083339), (139, 9497602), (278, 4748801), (1181, 1117838), (2362, 558919), (4021, 328318), (8042, 164159)]