81300065

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 125483904

約数和(自身を除く): 44183839

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 97, 245, 311, 385, 485, 539, 679, 1067, 1555, 2177, 2695, 3395, 3421, 4753, 5335, 7469, 10885, 15239, 17105, 23765, 23947, 30167, 37345, 52283, 76195, 119735, 150835, 167629, 211169, 261415, 331837, 838145, 1055845, 1478183, 1659185, 2322859, 7390915, 11614295, 16260013, 81300065]

約数ペア:

[(1, 81300065), (5, 16260013), (7, 11614295), (11, 7390915), (35, 2322859), (49, 1659185), (55, 1478183), (77, 1055845), (97, 838145), (245, 331837), (311, 261415), (385, 211169), (485, 167629), (539, 150835), (679, 119735), (1067, 76195), (1555, 52283), (2177, 37345), (2695, 30167), (3395, 23947), (3421, 23765), (4753, 17105), (5335, 15239), (7469, 10885)]