25981245

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 47773440

約数和(自身を除く): 21792195

約数列:

[1, 3, 5, 9, 15, 29, 43, 45, 87, 129, 145, 215, 261, 387, 435, 463, 645, 1247, 1305, 1389, 1935, 2315, 3741, 4167, 6235, 6945, 11223, 13427, 18705, 19909, 20835, 40281, 56115, 59727, 67135, 99545, 120843, 179181, 201405, 298635, 577361, 604215, 895905, 1732083, 2886805, 5196249, 8660415, 25981245]

約数ペア:

[(1, 25981245), (3, 8660415), (5, 5196249), (9, 2886805), (15, 1732083), (29, 895905), (43, 604215), (45, 577361), (87, 298635), (129, 201405), (145, 179181), (215, 120843), (261, 99545), (387, 67135), (435, 59727), (463, 56115), (645, 40281), (1247, 20835), (1305, 19909), (1389, 18705), (1935, 13427), (2315, 11223), (3741, 6945), (4167, 6235)]