155890819

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{1181}}^1$

素因数の和:1470

約数の個数: 16

約数和(自身を含む): 180987840

約数和(自身を除く): 25097021

約数列:

[1, 7, 109, 173, 763, 1181, 1211, 8267, 18857, 128729, 131999, 204313, 901103, 1430191, 22270117, 155890819]

約数ペア:

[(1, 155890819), (7, 22270117), (109, 1430191), (173, 901103), (763, 204313), (1181, 131999), (1211, 128729), (8267, 18857)]