42215855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 57492288

約数和(自身を除く): 15276433

約数列:

[1, 5, 11, 41, 55, 97, 193, 205, 451, 485, 965, 1067, 2123, 2255, 3977, 5335, 7913, 10615, 18721, 19885, 39565, 43747, 87043, 93605, 205931, 218735, 435215, 767561, 1029655, 3837805, 8443171, 42215855]

約数ペア:

[(1, 42215855), (5, 8443171), (11, 3837805), (41, 1029655), (55, 767561), (97, 435215), (193, 218735), (205, 205931), (451, 93605), (485, 87043), (965, 43747), (1067, 39565), (2123, 19885), (2255, 18721), (3977, 10615), (5335, 7913)]