217078921

素因数分解:

${\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{433}}^1$

素因数の和:696

約数の個数: 16

約数和(自身を含む): 226860480

約数和(自身を除く): 9781559

約数列:

[1, 43, 89, 131, 433, 3827, 5633, 11659, 18619, 38537, 56723, 501337, 1657091, 2439089, 5048347, 217078921]

約数ペア:

[(1, 217078921), (43, 5048347), (89, 2439089), (131, 1657091), (433, 501337), (3827, 56723), (5633, 38537), (11659, 18619)]