261036215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{433}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 349102656

約数和(自身を除く): 88066441

約数列:

[1, 5, 11, 55, 97, 113, 433, 485, 565, 1067, 1243, 2165, 4763, 5335, 6215, 10961, 23815, 42001, 48929, 54805, 120571, 210005, 244645, 462011, 538219, 602855, 2310055, 2691095, 4746113, 23730565, 52207243, 261036215]

約数ペア:

[(1, 261036215), (5, 52207243), (11, 23730565), (55, 4746113), (97, 2691095), (113, 2310055), (433, 602855), (485, 538219), (565, 462011), (1067, 244645), (1243, 210005), (2165, 120571), (4763, 54805), (5335, 48929), (6215, 42001), (10961, 23815)]