11980408

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1249}}^1$

素因数の和:1375

約数の個数: 32

約数和(自身を含む): 24750000

約数和(自身を除く): 12769592

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 109, 218, 436, 872, 1199, 1249, 2398, 2498, 4796, 4996, 9592, 9992, 13739, 27478, 54956, 109912, 136141, 272282, 544564, 1089128, 1497551, 2995102, 5990204, 11980408]

約数ペア:

[(1, 11980408), (2, 5990204), (4, 2995102), (8, 1497551), (11, 1089128), (22, 544564), (44, 272282), (88, 136141), (109, 109912), (218, 54956), (436, 27478), (872, 13739), (1199, 9992), (1249, 9592), (2398, 4996), (2498, 4796)]