81306722

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{1031}}^1$

素因数の和:1214

約数の個数: 32

約数和(自身を含む): 143852544

約数和(自身を除く): 62545822

約数列:

[1, 2, 7, 14, 43, 86, 131, 262, 301, 602, 917, 1031, 1834, 2062, 5633, 7217, 11266, 14434, 39431, 44333, 78862, 88666, 135061, 270122, 310331, 620662, 945427, 1890854, 5807623, 11615246, 40653361, 81306722]

約数ペア:

[(1, 81306722), (2, 40653361), (7, 11615246), (14, 5807623), (43, 1890854), (86, 945427), (131, 620662), (262, 310331), (301, 270122), (602, 135061), (917, 88666), (1031, 78862), (1834, 44333), (2062, 39431), (5633, 14434), (7217, 11266)]