820681057

素因数分解:

$7^2\times {\mathrm{67}}^1\times {\mathrm{457}}^1\times {\mathrm{547}}^1$

素因数の和:1085

約数の個数: 24

約数和(自身を含む): 972813984

約数和(自身を除く): 152132927

約数列:

[1, 7, 49, 67, 457, 469, 547, 3199, 3283, 3829, 22393, 26803, 30619, 36649, 214333, 249979, 256543, 1500331, 1749853, 1795801, 12248971, 16748593, 117240151, 820681057]

約数ペア:

[(1, 820681057), (7, 117240151), (49, 16748593), (67, 12248971), (457, 1795801), (469, 1749853), (547, 1500331), (3199, 256543), (3283, 249979), (3829, 214333), (22393, 36649), (26803, 30619)]