26278007

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:207

約数の個数: 32

約数和(自身を含む): 33331200

約数和(自身を除く): 7053193

約数列:

[1, 7, 19, 41, 61, 79, 133, 287, 427, 553, 779, 1159, 1501, 2501, 3239, 4819, 5453, 8113, 10507, 17507, 22673, 33733, 47519, 61541, 91561, 197579, 332633, 430787, 640927, 1383053, 3754001, 26278007]

約数ペア:

[(1, 26278007), (7, 3754001), (19, 1383053), (41, 640927), (61, 430787), (79, 332633), (133, 197579), (287, 91561), (427, 61541), (553, 47519), (779, 33733), (1159, 22673), (1501, 17507), (2501, 10507), (3239, 8113), (4819, 5453)]