1298886218

素因数分解:

$2^1\times 7^2\times {\mathrm{653}}^1\times {\mathrm{20297}}^1$

素因数の和:20966

約数の個数: 24

約数和(自身を含む): 2270006532

約数和(自身を除く): 971120314

約数列:

[1, 2, 7, 14, 49, 98, 653, 1306, 4571, 9142, 20297, 31997, 40594, 63994, 142079, 284158, 994553, 1989106, 13253941, 26507882, 92777587, 185555174, 649443109, 1298886218]

約数ペア:

[(1, 1298886218), (2, 649443109), (7, 185555174), (14, 92777587), (49, 26507882), (98, 13253941), (653, 1989106), (1306, 994553), (4571, 284158), (9142, 142079), (20297, 63994), (31997, 40594)]