81730198

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{119839}}^1$

素因数の和:119883

約数の個数: 16

約数和(自身を含む): 138055680

約数和(自身を除く): 56325482

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 119839, 239678, 1318229, 2636458, 3715009, 7430018, 40865099, 81730198]

約数ペア:

[(1, 81730198), (2, 40865099), (11, 7430018), (22, 3715009), (31, 2636458), (62, 1318229), (341, 239678), (682, 119839)]