81320756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{631}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 162449280

約数和(自身を除く): 81128524

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 101, 116, 202, 319, 404, 631, 638, 1111, 1262, 1276, 2222, 2524, 2929, 4444, 5858, 6941, 11716, 13882, 18299, 27764, 32219, 36598, 63731, 64438, 73196, 127462, 128876, 201289, 254924, 402578, 701041, 805156, 1402082, 1848199, 2804164, 3696398, 7392796, 20330189, 40660378, 81320756]

約数ペア:

[(1, 81320756), (2, 40660378), (4, 20330189), (11, 7392796), (22, 3696398), (29, 2804164), (44, 1848199), (58, 1402082), (101, 805156), (116, 701041), (202, 402578), (319, 254924), (404, 201289), (631, 128876), (638, 127462), (1111, 73196), (1262, 64438), (1276, 63731), (2222, 36598), (2524, 32219), (2929, 27764), (4444, 18299), (5858, 13882), (6941, 11716)]