81259878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^2\times {\mathrm{431}}^1$

素因数の和:577

約数の個数: 48

約数和(自身を含む): 188987904

約数和(自身を除く): 107728026

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 402, 431, 469, 862, 938, 1293, 1407, 2586, 2814, 3017, 4489, 6034, 8978, 9051, 13467, 18102, 26934, 28877, 31423, 57754, 62846, 86631, 94269, 173262, 188538, 202139, 404278, 606417, 1212834, 1934759, 3869518, 5804277, 11608554, 13543313, 27086626, 40629939, 81259878]

約数ペア:

[(1, 81259878), (2, 40629939), (3, 27086626), (6, 13543313), (7, 11608554), (14, 5804277), (21, 3869518), (42, 1934759), (67, 1212834), (134, 606417), (201, 404278), (402, 202139), (431, 188538), (469, 173262), (862, 94269), (938, 86631), (1293, 62846), (1407, 57754), (2586, 31423), (2814, 28877), (3017, 26934), (4489, 18102), (6034, 13467), (8978, 9051)]