221736695

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{173}}^1\times {\mathrm{887}}^1$

素因数の和:1099

約数の個数: 24

約数和(自身を含む): 284611104

約数和(自身を除く): 62874409

約数列:

[1, 5, 17, 85, 173, 289, 865, 887, 1445, 2941, 4435, 14705, 15079, 49997, 75395, 153451, 249985, 256343, 767255, 1281715, 2608667, 13043335, 44347339, 221736695]

約数ペア:

[(1, 221736695), (5, 44347339), (17, 13043335), (85, 2608667), (173, 1281715), (289, 767255), (865, 256343), (887, 249985), (1445, 153451), (2941, 75395), (4435, 49997), (14705, 15079)]