128398788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{22153}}^1$

素因数の和:22193

約数の個数: 72

約数和(自身を含む): 387074688

約数和(自身を除く): 258675900

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, 22153, 44306, 66459, 88612, 132918, 155071, 199377, 265836, 310142, 398754, 465213, 509519, 620284, 797508, 930426, 1019038, 1395639, 1528557, 1860852, 2038076, 2791278, 3057114, 3566633, 4585671, 5582556, 6114228, 7133266, 9171342, 10699899, 14266532, 18342684, 21399798, 32099697, 42799596, 64199394, 128398788]

約数ペア:

[(1, 128398788), (2, 64199394), (3, 42799596), (4, 32099697), (6, 21399798), (7, 18342684), (9, 14266532), (12, 10699899), (14, 9171342), (18, 7133266), (21, 6114228), (23, 5582556), (28, 4585671), (36, 3566633), (42, 3057114), (46, 2791278), (63, 2038076), (69, 1860852), (84, 1528557), (92, 1395639), (126, 1019038), (138, 930426), (161, 797508), (207, 620284), (252, 509519), (276, 465213), (322, 398754), (414, 310142), (483, 265836), (644, 199377), (828, 155071), (966, 132918), (1449, 88612), (1932, 66459), (2898, 44306), (5796, 22153)]