1388197436

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{28463}}^1$

素因数の和:28693

約数の個数: 24

約数和(自身を含む): 2474660160

約数和(自身を除く): 1086462724

約数列:

[1, 2, 4, 89, 137, 178, 274, 356, 548, 12193, 24386, 28463, 48772, 56926, 113852, 2533207, 3899431, 5066414, 7798862, 10132828, 15597724, 347049359, 694098718, 1388197436]

約数ペア:

[(1, 1388197436), (2, 694098718), (4, 347049359), (89, 15597724), (137, 10132828), (178, 7798862), (274, 5066414), (356, 3899431), (548, 2533207), (12193, 113852), (24386, 56926), (28463, 48772)]