2809781838

素因数分解:

$2^1\times 3^3\times {\mathrm{113}}^1\times {\mathrm{347}}^1\times {\mathrm{1327}}^1$

素因数の和:1798

約数の個数: 64

約数和(自身を含む): 6322129920

約数和(自身を除く): 3512348082

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 113, 226, 339, 347, 678, 694, 1017, 1041, 1327, 2034, 2082, 2654, 3051, 3123, 3981, 6102, 6246, 7962, 9369, 11943, 18738, 23886, 35829, 39211, 71658, 78422, 117633, 149951, 235266, 299902, 352899, 449853, 460469, 705798, 899706, 920938, 1058697, 1349559, 1381407, 2117394, 2699118, 2762814, 4048677, 4144221, 8097354, 8288442, 12432663, 24865326, 52032997, 104065994, 156098991, 312197982, 468296973, 936593946, 1404890919, 2809781838]

約数ペア:

[(1, 2809781838), (2, 1404890919), (3, 936593946), (6, 468296973), (9, 312197982), (18, 156098991), (27, 104065994), (54, 52032997), (113, 24865326), (226, 12432663), (339, 8288442), (347, 8097354), (678, 4144221), (694, 4048677), (1017, 2762814), (1041, 2699118), (1327, 2117394), (2034, 1381407), (2082, 1349559), (2654, 1058697), (3051, 920938), (3123, 899706), (3981, 705798), (6102, 460469), (6246, 449853), (7962, 352899), (9369, 299902), (11943, 235266), (18738, 149951), (23886, 117633), (35829, 78422), (39211, 71658)]