81571728

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{242773}}^1$

素因数の和:242791

約数の個数: 40

約数和(自身を含む): 240831808

約数和(自身を除く): 159260080

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 242773, 485546, 728319, 971092, 1456638, 1699411, 1942184, 2913276, 3398822, 3884368, 5098233, 5826552, 6797644, 10196466, 11653104, 13595288, 20392932, 27190576, 40785864, 81571728]

約数ペア:

[(1, 81571728), (2, 40785864), (3, 27190576), (4, 20392932), (6, 13595288), (7, 11653104), (8, 10196466), (12, 6797644), (14, 5826552), (16, 5098233), (21, 3884368), (24, 3398822), (28, 2913276), (42, 1942184), (48, 1699411), (56, 1456638), (84, 971092), (112, 728319), (168, 485546), (336, 242773)]