28668636

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{21523}}^1$

素因数の和:21570

約数の個数: 36

約数和(自身を含む): 74429992

約数和(自身を除く): 45761356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 21523, 43046, 64569, 86092, 129138, 193707, 258276, 387414, 774828, 796351, 1592702, 2389053, 3185404, 4778106, 7167159, 9556212, 14334318, 28668636]

約数ペア:

[(1, 28668636), (2, 14334318), (3, 9556212), (4, 7167159), (6, 4778106), (9, 3185404), (12, 2389053), (18, 1592702), (36, 796351), (37, 774828), (74, 387414), (111, 258276), (148, 193707), (222, 129138), (333, 86092), (444, 64569), (666, 43046), (1332, 21523)]