81817072

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{222329}}^1$

素因数の和:222360

約数の個数: 20

約数和(自身を含む): 165413520

約数和(自身を除く): 83596448

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 222329, 444658, 889316, 1778632, 3557264, 5113567, 10227134, 20454268, 40908536, 81817072]

約数ペア:

[(1, 81817072), (2, 40908536), (4, 20454268), (8, 10227134), (16, 5113567), (23, 3557264), (46, 1778632), (92, 889316), (184, 444658), (368, 222329)]