1972313

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:248

約数の個数: 16

約数和(自身を含む): 2380800

約数和(自身を除く): 408487

約数列:

[1, 7, 31, 61, 149, 217, 427, 1043, 1891, 4619, 9089, 13237, 32333, 63623, 281759, 1972313]

約数ペア:

[(1, 1972313), (7, 281759), (31, 63623), (61, 32333), (149, 13237), (217, 9089), (427, 4619), (1043, 1891)]