81555516

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{14071}}^1$

素因数の和:14111

約数の個数: 72

約数和(自身を含む): 245865984

約数和(自身を除く): 164310468

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 161, 207, 252, 276, 322, 414, 483, 644, 828, 966, 1449, 1932, 2898, 5796, 14071, 28142, 42213, 56284, 84426, 98497, 126639, 168852, 196994, 253278, 295491, 323633, 393988, 506556, 590982, 647266, 886473, 970899, 1181964, 1294532, 1772946, 1941798, 2265431, 2912697, 3545892, 3883596, 4530862, 5825394, 6796293, 9061724, 11650788, 13592586, 20388879, 27185172, 40777758, 81555516]

約数ペア:

[(1, 81555516), (2, 40777758), (3, 27185172), (4, 20388879), (6, 13592586), (7, 11650788), (9, 9061724), (12, 6796293), (14, 5825394), (18, 4530862), (21, 3883596), (23, 3545892), (28, 2912697), (36, 2265431), (42, 1941798), (46, 1772946), (63, 1294532), (69, 1181964), (84, 970899), (92, 886473), (126, 647266), (138, 590982), (161, 506556), (207, 393988), (252, 323633), (276, 295491), (322, 253278), (414, 196994), (483, 168852), (644, 126639), (828, 98497), (966, 84426), (1449, 56284), (1932, 42213), (2898, 28142), (5796, 14071)]