1280821666

素因数分解:

$2^1\times {\mathrm{313}}^1\times {\mathrm{877}}^1\times {\mathrm{2333}}^1$

素因数の和:3525

約数の個数: 16

約数和(自身を含む): 1930395384

約数和(自身を除く): 649573718

約数列:

[1, 2, 313, 626, 877, 1754, 2333, 4666, 274501, 549002, 730229, 1460458, 2046041, 4092082, 640410833, 1280821666]

約数ペア:

[(1, 1280821666), (2, 640410833), (313, 4092082), (626, 2046041), (877, 1460458), (1754, 730229), (2333, 549002), (4666, 274501)]