81869718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{5011}}^1$

素因数の和:5412

約数の個数: 32

約数和(自身を含む): 187649280

約数和(自身を除く): 105779562

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 389, 778, 1167, 2334, 2723, 5011, 5446, 8169, 10022, 15033, 16338, 30066, 35077, 70154, 105231, 210462, 1949279, 3898558, 5847837, 11695674, 13644953, 27289906, 40934859, 81869718]

約数ペア:

[(1, 81869718), (2, 40934859), (3, 27289906), (6, 13644953), (7, 11695674), (14, 5847837), (21, 3898558), (42, 1949279), (389, 210462), (778, 105231), (1167, 70154), (2334, 35077), (2723, 30066), (5011, 16338), (5446, 15033), (8169, 10022)]