81690072

素因数分解:

$2^3\times 3^1\times {\mathrm{281}}^1\times {\mathrm{12113}}^1$

素因数の和:12403

約数の個数: 32

約数和(自身を含む): 204968880

約数和(自身を除く): 123278808

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 281, 562, 843, 1124, 1686, 2248, 3372, 6744, 12113, 24226, 36339, 48452, 72678, 96904, 145356, 290712, 3403753, 6807506, 10211259, 13615012, 20422518, 27230024, 40845036, 81690072]

約数ペア:

[(1, 81690072), (2, 40845036), (3, 27230024), (4, 20422518), (6, 13615012), (8, 10211259), (12, 6807506), (24, 3403753), (281, 290712), (562, 145356), (843, 96904), (1124, 72678), (1686, 48452), (2248, 36339), (3372, 24226), (6744, 12113)]