2780638

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:232

約数の個数: 32

約数和(自身を含む): 5068800

約数和(自身を除く): 2288162

約数列:

[1, 2, 7, 14, 31, 43, 62, 86, 149, 217, 298, 301, 434, 602, 1043, 1333, 2086, 2666, 4619, 6407, 9238, 9331, 12814, 18662, 32333, 44849, 64666, 89698, 198617, 397234, 1390319, 2780638]

約数ペア:

[(1, 2780638), (2, 1390319), (7, 397234), (14, 198617), (31, 89698), (43, 64666), (62, 44849), (86, 32333), (149, 18662), (217, 12814), (298, 9331), (301, 9238), (434, 6407), (602, 4619), (1043, 2666), (1333, 2086)]