77889329

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 96307200

約数和(自身を除く): 18417871

約数列:

[1, 7, 31, 37, 89, 109, 217, 259, 623, 763, 1147, 2759, 3293, 3379, 4033, 8029, 9701, 19313, 23051, 23653, 28231, 67907, 102083, 125023, 300731, 358937, 714581, 875161, 2105117, 2512559, 11127047, 77889329]

約数ペア:

[(1, 77889329), (7, 11127047), (31, 2512559), (37, 2105117), (89, 875161), (109, 714581), (217, 358937), (259, 300731), (623, 125023), (763, 102083), (1147, 67907), (2759, 28231), (3293, 23653), (3379, 23051), (4033, 19313), (8029, 9701)]