255551478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{8831}}^1$

素因数の和:8909

約数の個数: 64

約数和(自身を含む): 640991232

約数和(自身を除く): 385439754

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 53, 78, 91, 106, 159, 182, 273, 318, 371, 546, 689, 742, 1113, 1378, 2067, 2226, 4134, 4823, 8831, 9646, 14469, 17662, 26493, 28938, 52986, 61817, 114803, 123634, 185451, 229606, 344409, 370902, 468043, 688818, 803621, 936086, 1404129, 1607242, 2410863, 2808258, 3276301, 4821726, 6084559, 6552602, 9828903, 12169118, 18253677, 19657806, 36507354, 42591913, 85183826, 127775739, 255551478]

約数ペア:

[(1, 255551478), (2, 127775739), (3, 85183826), (6, 42591913), (7, 36507354), (13, 19657806), (14, 18253677), (21, 12169118), (26, 9828903), (39, 6552602), (42, 6084559), (53, 4821726), (78, 3276301), (91, 2808258), (106, 2410863), (159, 1607242), (182, 1404129), (273, 936086), (318, 803621), (371, 688818), (546, 468043), (689, 370902), (742, 344409), (1113, 229606), (1378, 185451), (2067, 123634), (2226, 114803), (4134, 61817), (4823, 52986), (8831, 28938), (9646, 26493), (14469, 17662)]