13238725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{593}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 17677440

約数和(自身を除く): 4438715

約数列:

[1, 5, 19, 25, 47, 95, 235, 475, 593, 893, 1175, 2965, 4465, 11267, 14825, 22325, 27871, 56335, 139355, 281675, 529549, 696775, 2647745, 13238725]

約数ペア:

[(1, 13238725), (5, 2647745), (19, 696775), (25, 529549), (47, 281675), (95, 139355), (235, 56335), (475, 27871), (593, 22325), (893, 14825), (1175, 11267), (2965, 4465)]