81034384

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{21191}}^1$

素因数の和:21438

約数の個数: 20

約数和(自身を含む): 157668480

約数和(自身を除く): 76634096

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 21191, 42382, 84764, 169528, 339056, 5064649, 10129298, 20258596, 40517192, 81034384]

約数ペア:

[(1, 81034384), (2, 40517192), (4, 20258596), (8, 10129298), (16, 5064649), (239, 339056), (478, 169528), (956, 84764), (1912, 42382), (3824, 21191)]