1666118518

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{71983}}^1$

素因数の和:72219

約数の個数: 16

約数和(自身を含む): 2549961216

約数和(自身を除く): 883842698

約数列:

[1, 2, 71, 142, 163, 326, 11573, 23146, 71983, 143966, 5110793, 10221586, 11733229, 23466458, 833059259, 1666118518]

約数ペア:

[(1, 1666118518), (2, 833059259), (71, 23466458), (142, 11733229), (163, 10221586), (326, 5110793), (11573, 143966), (23146, 71983)]