642227066

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1\times {\mathrm{431}}^1$

素因数の和:926

約数の個数: 32

約数和(自身を含む): 1048578048

約数和(自身を除く): 406350982

約数列:

[1, 2, 13, 26, 223, 257, 431, 446, 514, 862, 2899, 3341, 5603, 5798, 6682, 11206, 57311, 96113, 110767, 114622, 192226, 221534, 745043, 1249469, 1439971, 1490086, 2498938, 2879942, 24701041, 49402082, 321113533, 642227066]

約数ペア:

[(1, 642227066), (2, 321113533), (13, 49402082), (26, 24701041), (223, 2879942), (257, 2498938), (431, 1490086), (446, 1439971), (514, 1249469), (862, 745043), (2899, 221534), (3341, 192226), (5603, 114622), (5798, 110767), (6682, 96113), (11206, 57311)]