219902978

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{20773}}^1$

素因数の和:20921

約数の個数: 16

約数和(自身を含む): 339031680

約数和(自身を除く): 119128702

約数列:

[1, 2, 67, 79, 134, 158, 5293, 10586, 20773, 41546, 1391791, 1641067, 2783582, 3282134, 109951489, 219902978]

約数ペア:

[(1, 219902978), (2, 109951489), (67, 3282134), (79, 2783582), (134, 1641067), (158, 1391791), (5293, 41546), (10586, 20773)]