64388764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{20611}}^1$

素因数の和:20697

約数の個数: 24

約数和(自身を含む): 124661376

約数和(自身を除く): 60272612

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 20611, 41222, 82444, 226721, 453442, 906884, 1463381, 2926762, 5853524, 16097191, 32194382, 64388764]

約数ペア:

[(1, 64388764), (2, 32194382), (4, 16097191), (11, 5853524), (22, 2926762), (44, 1463381), (71, 906884), (142, 453442), (284, 226721), (781, 82444), (1562, 41222), (3124, 20611)]