81380244478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{164737337}}^1$

素因数の和:164737371

約数の個数: 16

約数和(自身を含む): 138379363920

約数和(自身を除く): 56999119442

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 164737337, 329474674, 2141585381, 3130009403, 4283170762, 6260018806, 40690122239, 81380244478]

約数ペア:

[(1, 81380244478), (2, 40690122239), (13, 6260018806), (19, 4283170762), (26, 3130009403), (38, 2141585381), (247, 329474674), (494, 164737337)]