81455918

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1\times {\mathrm{761}}^1$

素因数の和:1363

約数の個数: 16

約数和(自身を含む): 123718320

約数和(自身を除く): 42262402

約数列:

[1, 2, 109, 218, 491, 761, 982, 1522, 53519, 82949, 107038, 165898, 373651, 747302, 40727959, 81455918]

約数ペア:

[(1, 81455918), (2, 40727959), (109, 747302), (218, 373651), (491, 165898), (761, 107038), (982, 82949), (1522, 53519)]