208614623

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1451}}^1$

素因数の和:1547

約数の個数: 32

約数和(自身を含む): 267632640

約数和(自身を除く): 59018017

約数列:

[1, 7, 19, 23, 47, 133, 161, 329, 437, 893, 1081, 1451, 3059, 6251, 7567, 10157, 20539, 27569, 33373, 68197, 143773, 192983, 233611, 477379, 634087, 1295743, 1568531, 4438609, 9070201, 10979717, 29802089, 208614623]

約数ペア:

[(1, 208614623), (7, 29802089), (19, 10979717), (23, 9070201), (47, 4438609), (133, 1568531), (161, 1295743), (329, 634087), (437, 477379), (893, 233611), (1081, 192983), (1451, 143773), (3059, 68197), (6251, 33373), (7567, 27569), (10157, 20539)]