2148025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 2973024

約数和(自身を除く): 824999

約数列:

[1, 5, 11, 25, 55, 73, 107, 275, 365, 535, 803, 1177, 1825, 2675, 4015, 5885, 7811, 20075, 29425, 39055, 85921, 195275, 429605, 2148025]

約数ペア:

[(1, 2148025), (5, 429605), (11, 195275), (25, 85921), (55, 39055), (73, 29425), (107, 20075), (275, 7811), (365, 5885), (535, 4015), (803, 2675), (1177, 1825)]