138223898

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{401}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 224605440

約数和(自身を除く): 86381542

約数列:

[1, 2, 19, 38, 47, 94, 193, 386, 401, 802, 893, 1786, 3667, 7334, 7619, 9071, 15238, 18142, 18847, 37694, 77393, 154786, 172349, 344698, 358093, 716186, 1470467, 2940934, 3637471, 7274942, 69111949, 138223898]

約数ペア:

[(1, 138223898), (2, 69111949), (19, 7274942), (38, 3637471), (47, 2940934), (94, 1470467), (193, 716186), (386, 358093), (401, 344698), (802, 172349), (893, 154786), (1786, 77393), (3667, 37694), (7334, 18847), (7619, 18142), (9071, 15238)]