81421128

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{36479}}^1$

素因数の和:36522

約数の個数: 48

約数和(自身を含む): 227635200

約数和(自身を除く): 146214072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 36479, 72958, 109437, 145916, 218874, 291832, 328311, 437748, 656622, 875496, 1130849, 1313244, 2261698, 2626488, 3392547, 4523396, 6785094, 9046792, 10177641, 13570188, 20355282, 27140376, 40710564, 81421128]

約数ペア:

[(1, 81421128), (2, 40710564), (3, 27140376), (4, 20355282), (6, 13570188), (8, 10177641), (9, 9046792), (12, 6785094), (18, 4523396), (24, 3392547), (31, 2626488), (36, 2261698), (62, 1313244), (72, 1130849), (93, 875496), (124, 656622), (186, 437748), (248, 328311), (279, 291832), (372, 218874), (558, 145916), (744, 109437), (1116, 72958), (2232, 36479)]