81105768

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{8599}}^1$

素因数の和:8742

約数の個数: 48

約数和(自身を含む): 221364000

約数和(自身を除く): 140258232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2358, 3144, 4716, 8599, 9432, 17198, 25797, 34396, 51594, 68792, 77391, 103188, 154782, 206376, 309564, 619128, 1126469, 2252938, 3379407, 4505876, 6758814, 9011752, 10138221, 13517628, 20276442, 27035256, 40552884, 81105768]

約数ペア:

[(1, 81105768), (2, 40552884), (3, 27035256), (4, 20276442), (6, 13517628), (8, 10138221), (9, 9011752), (12, 6758814), (18, 4505876), (24, 3379407), (36, 2252938), (72, 1126469), (131, 619128), (262, 309564), (393, 206376), (524, 154782), (786, 103188), (1048, 77391), (1179, 68792), (1572, 51594), (2358, 34396), (3144, 25797), (4716, 17198), (8599, 9432)]