977897525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{1181}}^1\times {\mathrm{3011}}^1$

素因数の和:4213

約数の個数: 24

約数和(自身を含む): 1324388448

約数和(自身を除く): 346490923

約数列:

[1, 5, 11, 25, 55, 275, 1181, 3011, 5905, 12991, 15055, 29525, 33121, 64955, 75275, 165605, 324775, 828025, 3555991, 17779955, 39115901, 88899775, 195579505, 977897525]

約数ペア:

[(1, 977897525), (5, 195579505), (11, 88899775), (25, 39115901), (55, 17779955), (275, 3555991), (1181, 828025), (3011, 324775), (5905, 165605), (12991, 75275), (15055, 64955), (29525, 33121)]