990667724

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{29}}^2\times {\mathrm{1019}}^1$

素因数の和:1115

約数の個数: 54

約数和(自身を含む): 1909214580

約数和(自身を除く): 918546856

約数列:

[1, 2, 4, 17, 29, 34, 58, 68, 116, 289, 493, 578, 841, 986, 1019, 1156, 1682, 1972, 2038, 3364, 4076, 8381, 14297, 16762, 17323, 28594, 29551, 33524, 34646, 57188, 59102, 69292, 118204, 243049, 294491, 486098, 502367, 588982, 856979, 972196, 1004734, 1177964, 1713958, 2009468, 3427916, 8540239, 14568643, 17080478, 29137286, 34160956, 58274572, 247666931, 495333862, 990667724]

約数ペア:

[(1, 990667724), (2, 495333862), (4, 247666931), (17, 58274572), (29, 34160956), (34, 29137286), (58, 17080478), (68, 14568643), (116, 8540239), (289, 3427916), (493, 2009468), (578, 1713958), (841, 1177964), (986, 1004734), (1019, 972196), (1156, 856979), (1682, 588982), (1972, 502367), (2038, 486098), (3364, 294491), (4076, 243049), (8381, 118204), (14297, 69292), (16762, 59102), (17323, 57188), (28594, 34646), (29551, 33524)]