31249372

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1429}}^1$

素因数の和:1522

約数の個数: 48

約数和(自身を含む): 69189120

約数和(自身を除く): 37939748

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 994, 1429, 1562, 1988, 2858, 3124, 5467, 5716, 10003, 10934, 15719, 20006, 21868, 31438, 40012, 62876, 101459, 110033, 202918, 220066, 405836, 440132, 710213, 1116049, 1420426, 2232098, 2840852, 4464196, 7812343, 15624686, 31249372]

約数ペア:

[(1, 31249372), (2, 15624686), (4, 7812343), (7, 4464196), (11, 2840852), (14, 2232098), (22, 1420426), (28, 1116049), (44, 710213), (71, 440132), (77, 405836), (142, 220066), (154, 202918), (284, 110033), (308, 101459), (497, 62876), (781, 40012), (994, 31438), (1429, 21868), (1562, 20006), (1988, 15719), (2858, 10934), (3124, 10003), (5467, 5716)]