28701170

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 52796016

約数和(自身を除く): 24094846

約数列:

[1, 2, 5, 10, 101, 157, 181, 202, 314, 362, 505, 785, 905, 1010, 1570, 1810, 15857, 18281, 28417, 31714, 36562, 56834, 79285, 91405, 142085, 158570, 182810, 284170, 2870117, 5740234, 14350585, 28701170]

約数ペア:

[(1, 28701170), (2, 14350585), (5, 5740234), (10, 2870117), (101, 284170), (157, 182810), (181, 158570), (202, 142085), (314, 91405), (362, 79285), (505, 56834), (785, 36562), (905, 31714), (1010, 28417), (1570, 18281), (1810, 15857)]