25990556

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:522

約数の個数: 36

約数和(自身を含む): 49286160

約数和(自身を除く): 23295604

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 361, 439, 722, 779, 878, 1444, 1558, 1756, 3116, 8341, 14801, 16682, 17999, 29602, 33364, 35998, 59204, 71996, 158479, 316958, 341981, 633916, 683962, 1367924, 6497639, 12995278, 25990556]

約数ペア:

[(1, 25990556), (2, 12995278), (4, 6497639), (19, 1367924), (38, 683962), (41, 633916), (76, 341981), (82, 316958), (164, 158479), (361, 71996), (439, 59204), (722, 35998), (779, 33364), (878, 29602), (1444, 17999), (1558, 16682), (1756, 14801), (3116, 8341)]