42012905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{601}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 58254336

約数和(自身を除く): 16241431

約数列:

[1, 5, 11, 31, 41, 55, 155, 205, 341, 451, 601, 1271, 1705, 2255, 3005, 6355, 6611, 13981, 18631, 24641, 33055, 69905, 93155, 123205, 204941, 271051, 763871, 1024705, 1355255, 3819355, 8402581, 42012905]

約数ペア:

[(1, 42012905), (5, 8402581), (11, 3819355), (31, 1355255), (41, 1024705), (55, 763871), (155, 271051), (205, 204941), (341, 123205), (451, 93155), (601, 69905), (1271, 33055), (1705, 24641), (2255, 18631), (3005, 13981), (6355, 6611)]