81690796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{877}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 163729440

約数和(自身を除く): 82038644

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 73, 116, 146, 292, 319, 638, 803, 877, 1276, 1606, 1754, 2117, 3212, 3508, 4234, 8468, 9647, 19294, 23287, 25433, 38588, 46574, 50866, 64021, 93148, 101732, 128042, 256084, 279763, 559526, 704231, 1119052, 1408462, 1856609, 2816924, 3713218, 7426436, 20422699, 40845398, 81690796]

約数ペア:

[(1, 81690796), (2, 40845398), (4, 20422699), (11, 7426436), (22, 3713218), (29, 2816924), (44, 1856609), (58, 1408462), (73, 1119052), (116, 704231), (146, 559526), (292, 279763), (319, 256084), (638, 128042), (803, 101732), (877, 93148), (1276, 64021), (1606, 50866), (1754, 46574), (2117, 38588), (3212, 25433), (3508, 23287), (4234, 19294), (8468, 9647)]