16981986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{13043}}^1$

素因数の和:13086

約数の個数: 32

約数和(自身を含む): 40071168

約数和(自身を除く): 23089182

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 651, 1302, 13043, 26086, 39129, 78258, 91301, 182602, 273903, 404333, 547806, 808666, 1212999, 2425998, 2830331, 5660662, 8490993, 16981986]

約数ペア:

[(1, 16981986), (2, 8490993), (3, 5660662), (6, 2830331), (7, 2425998), (14, 1212999), (21, 808666), (31, 547806), (42, 404333), (62, 273903), (93, 182602), (186, 91301), (217, 78258), (434, 39129), (651, 26086), (1302, 13043)]