61398964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{15679}}^1$

素因数の和:15783

約数の個数: 24

約数和(自身を含む): 118540800

約数和(自身を除く): 57141836

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 15679, 31358, 62716, 172469, 344938, 689876, 1395431, 2790862, 5581724, 15349741, 30699482, 61398964]

約数ペア:

[(1, 61398964), (2, 30699482), (4, 15349741), (11, 5581724), (22, 2790862), (44, 1395431), (89, 689876), (178, 344938), (356, 172469), (979, 62716), (1958, 31358), (3916, 15679)]