1320840002

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{142979}}^1$

素因数の和:143161

約数の個数: 16

約数和(自身を含む): 2058912000

約数和(自身を除く): 738071998

約数列:

[1, 2, 31, 62, 149, 298, 4619, 9238, 142979, 285958, 4432349, 8864698, 21303871, 42607742, 660420001, 1320840002]

約数ペア:

[(1, 1320840002), (2, 660420001), (31, 42607742), (62, 21303871), (149, 8864698), (298, 4432349), (4619, 285958), (9238, 142979)]