487297775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{1021}}^1\times {\mathrm{1123}}^1$

素因数の和:2171

約数の個数: 24

約数和(自身を含む): 640990224

約数和(自身を除く): 153692449

約数列:

[1, 5, 17, 25, 85, 425, 1021, 1123, 5105, 5615, 17357, 19091, 25525, 28075, 86785, 95455, 433925, 477275, 1146583, 5732915, 19491911, 28664575, 97459555, 487297775]

約数ペア:

[(1, 487297775), (5, 97459555), (17, 28664575), (25, 19491911), (85, 5732915), (425, 1146583), (1021, 477275), (1123, 433925), (5105, 95455), (5615, 86785), (17357, 28075), (19091, 25525)]