81772888

素因数分解:

$2^3\times {\mathrm{331}}^1\times {\mathrm{30881}}^1$

素因数の和:31218

約数の個数: 16

約数和(自身を含む): 153792360

約数和(自身を除く): 72019472

約数列:

[1, 2, 4, 8, 331, 662, 1324, 2648, 30881, 61762, 123524, 247048, 10221611, 20443222, 40886444, 81772888]

約数ペア:

[(1, 81772888), (2, 40886444), (4, 20443222), (8, 10221611), (331, 247048), (662, 123524), (1324, 61762), (2648, 30881)]