42001355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{7561}}^1$

素因数の和:7678

約数の個数: 16

約数和(自身を含む): 55535328

約数和(自身を除く): 13533973

約数列:

[1, 5, 11, 55, 101, 505, 1111, 5555, 7561, 37805, 83171, 415855, 763661, 3818305, 8400271, 42001355]

約数ペア:

[(1, 42001355), (5, 8400271), (11, 3818305), (55, 763661), (101, 415855), (505, 83171), (1111, 37805), (5555, 7561)]