81510208

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{313}}^2$

素因数の和:651

約数の個数: 42

約数和(自身を含む): 174747174

約数和(自身を除く): 93236966

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 313, 416, 626, 832, 1252, 2504, 4069, 5008, 8138, 10016, 16276, 20032, 32552, 65104, 97969, 130208, 195938, 260416, 391876, 783752, 1273597, 1567504, 2547194, 3135008, 5094388, 6270016, 10188776, 20377552, 40755104, 81510208]

約数ペア:

[(1, 81510208), (2, 40755104), (4, 20377552), (8, 10188776), (13, 6270016), (16, 5094388), (26, 3135008), (32, 2547194), (52, 1567504), (64, 1273597), (104, 783752), (208, 391876), (313, 260416), (416, 195938), (626, 130208), (832, 97969), (1252, 65104), (2504, 32552), (4069, 20032), (5008, 16276), (8138, 10016)]