26285987

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 35589120

約数和(自身を除く): 9303133

約数列:

[1, 7, 13, 19, 23, 91, 133, 161, 247, 299, 437, 661, 1729, 2093, 3059, 4627, 5681, 8593, 12559, 15203, 39767, 60151, 87913, 106421, 163267, 197639, 288857, 1142869, 1383473, 2021999, 3755141, 26285987]

約数ペア:

[(1, 26285987), (7, 3755141), (13, 2021999), (19, 1383473), (23, 1142869), (91, 288857), (133, 197639), (161, 163267), (247, 106421), (299, 87913), (437, 60151), (661, 39767), (1729, 15203), (2093, 12559), (3059, 8593), (4627, 5681)]