81787076

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{14389}}^1$

素因数の和:14436

約数の個数: 36

約数和(自身を含む): 172248300

約数和(自身を除く): 90461224

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 5684, 14389, 28778, 57556, 100723, 201446, 402892, 417281, 705061, 834562, 1410122, 1669124, 2820244, 2920967, 5841934, 11683868, 20446769, 40893538, 81787076]

約数ペア:

[(1, 81787076), (2, 40893538), (4, 20446769), (7, 11683868), (14, 5841934), (28, 2920967), (29, 2820244), (49, 1669124), (58, 1410122), (98, 834562), (116, 705061), (196, 417281), (203, 402892), (406, 201446), (812, 100723), (1421, 57556), (2842, 28778), (5684, 14389)]