218243848

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{447221}}^1$

素因数の和:447288

約数の個数: 16

約数和(自身を含む): 415916460

約数和(自身を除く): 197672612

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 447221, 894442, 1788884, 3577768, 27280481, 54560962, 109121924, 218243848]

約数ペア:

[(1, 218243848), (2, 109121924), (4, 54560962), (8, 27280481), (61, 3577768), (122, 1788884), (244, 894442), (488, 447221)]