255901428

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{165311}}^1$

素因数の和:165364

約数の個数: 36

約数和(自身を含む): 661909248

約数和(自身を除く): 406007820

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 165311, 330622, 495933, 661244, 991866, 1487799, 1983732, 2975598, 5951196, 7108373, 14216746, 21325119, 28433492, 42650238, 63975357, 85300476, 127950714, 255901428]

約数ペア:

[(1, 255901428), (2, 127950714), (3, 85300476), (4, 63975357), (6, 42650238), (9, 28433492), (12, 21325119), (18, 14216746), (36, 7108373), (43, 5951196), (86, 2975598), (129, 1983732), (172, 1487799), (258, 991866), (387, 661244), (516, 495933), (774, 330622), (1548, 165311)]