81663456

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{121523}}^1$

素因数の和:121543

約数の個数: 48

約数和(自身を含む): 244992384

約数和(自身を除く): 163328928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 121523, 243046, 364569, 486092, 729138, 850661, 972184, 1458276, 1701322, 1944368, 2551983, 2916552, 3402644, 3888736, 5103966, 5833104, 6805288, 10207932, 11666208, 13610576, 20415864, 27221152, 40831728, 81663456]

約数ペア:

[(1, 81663456), (2, 40831728), (3, 27221152), (4, 20415864), (6, 13610576), (7, 11666208), (8, 10207932), (12, 6805288), (14, 5833104), (16, 5103966), (21, 3888736), (24, 3402644), (28, 2916552), (32, 2551983), (42, 1944368), (48, 1701322), (56, 1458276), (84, 972184), (96, 850661), (112, 729138), (168, 486092), (224, 364569), (336, 243046), (672, 121523)]