261739634

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2557}}^1$

素因数の和:2730

約数の個数: 32

約数和(自身を含む): 440057856

約数和(自身を除く): 178318222

約数列:

[1, 2, 13, 26, 31, 62, 127, 254, 403, 806, 1651, 2557, 3302, 3937, 5114, 7874, 33241, 51181, 66482, 79267, 102362, 158534, 324739, 649478, 1030471, 2060942, 4221607, 8443214, 10066909, 20133818, 130869817, 261739634]

約数ペア:

[(1, 261739634), (2, 130869817), (13, 20133818), (26, 10066909), (31, 8443214), (62, 4221607), (127, 2060942), (254, 1030471), (403, 649478), (806, 324739), (1651, 158534), (2557, 102362), (3302, 79267), (3937, 66482), (5114, 51181), (7874, 33241)]