31639916

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2389}}^1$

素因数の和:2454

約数の個数: 48

約数和(自身を含む): 70667520

約数和(自身を除く): 39027604

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 77, 86, 154, 172, 301, 308, 473, 602, 946, 1204, 1892, 2389, 3311, 4778, 6622, 9556, 13244, 16723, 26279, 33446, 52558, 66892, 102727, 105116, 183953, 205454, 367906, 410908, 719089, 735812, 1129997, 1438178, 2259994, 2876356, 4519988, 7909979, 15819958, 31639916]

約数ペア:

[(1, 31639916), (2, 15819958), (4, 7909979), (7, 4519988), (11, 2876356), (14, 2259994), (22, 1438178), (28, 1129997), (43, 735812), (44, 719089), (77, 410908), (86, 367906), (154, 205454), (172, 183953), (301, 105116), (308, 102727), (473, 66892), (602, 52558), (946, 33446), (1204, 26279), (1892, 16723), (2389, 13244), (3311, 9556), (4778, 6622)]