1808208145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{23663}}^1$

素因数の和:23745

約数の個数: 32

約数和(自身を含む): 2453483520

約数和(自身を除く): 645275375

約数列:

[1, 5, 17, 29, 31, 85, 145, 155, 493, 527, 899, 2465, 2635, 4495, 15283, 23663, 76415, 118315, 402271, 686227, 733553, 2011355, 3431135, 3667765, 11665859, 12470401, 21273037, 58329295, 62352005, 106365185, 361641629, 1808208145]

約数ペア:

[(1, 1808208145), (5, 361641629), (17, 106365185), (29, 62352005), (31, 58329295), (85, 21273037), (145, 12470401), (155, 11665859), (493, 3667765), (527, 3431135), (899, 2011355), (2465, 733553), (2635, 686227), (4495, 402271), (15283, 118315), (23663, 76415)]