28205172

素因数分解:

$2^2\times 3^4\times {\mathrm{263}}^1\times {\mathrm{331}}^1$

素因数の和:610

約数の個数: 60

約数和(自身を含む): 74237856

約数和(自身を除く): 46032684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 263, 324, 331, 526, 662, 789, 993, 1052, 1324, 1578, 1986, 2367, 2979, 3156, 3972, 4734, 5958, 7101, 8937, 9468, 11916, 14202, 17874, 21303, 26811, 28404, 35748, 42606, 53622, 85212, 87053, 107244, 174106, 261159, 348212, 522318, 783477, 1044636, 1566954, 2350431, 3133908, 4700862, 7051293, 9401724, 14102586, 28205172]

約数ペア:

[(1, 28205172), (2, 14102586), (3, 9401724), (4, 7051293), (6, 4700862), (9, 3133908), (12, 2350431), (18, 1566954), (27, 1044636), (36, 783477), (54, 522318), (81, 348212), (108, 261159), (162, 174106), (263, 107244), (324, 87053), (331, 85212), (526, 53622), (662, 42606), (789, 35748), (993, 28404), (1052, 26811), (1324, 21303), (1578, 17874), (1986, 14202), (2367, 11916), (2979, 9468), (3156, 8937), (3972, 7101), (4734, 5958)]