1981728

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{983}}^1$

素因数の和:1006

約数の個数: 72

約数和(自身を含む): 6447168

約数和(自身を除く): 4465440

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 983, 1008, 1966, 2016, 2949, 3932, 5898, 6881, 7864, 8847, 11796, 13762, 15728, 17694, 20643, 23592, 27524, 31456, 35388, 41286, 47184, 55048, 61929, 70776, 82572, 94368, 110096, 123858, 141552, 165144, 220192, 247716, 283104, 330288, 495432, 660576, 990864, 1981728]

約数ペア:

[(1, 1981728), (2, 990864), (3, 660576), (4, 495432), (6, 330288), (7, 283104), (8, 247716), (9, 220192), (12, 165144), (14, 141552), (16, 123858), (18, 110096), (21, 94368), (24, 82572), (28, 70776), (32, 61929), (36, 55048), (42, 47184), (48, 41286), (56, 35388), (63, 31456), (72, 27524), (84, 23592), (96, 20643), (112, 17694), (126, 15728), (144, 13762), (168, 11796), (224, 8847), (252, 7864), (288, 6881), (336, 5898), (504, 3932), (672, 2949), (983, 2016), (1008, 1966)]