81697784

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{85817}}^1$

素因数の和:85847

約数の個数: 32

約数和(自身を含む): 185366880

約数和(自身を除く): 103669096

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 85817, 171634, 343268, 600719, 686536, 1201438, 1458889, 2402876, 2917778, 4805752, 5835556, 10212223, 11671112, 20424446, 40848892, 81697784]

約数ペア:

[(1, 81697784), (2, 40848892), (4, 20424446), (7, 11671112), (8, 10212223), (14, 5835556), (17, 4805752), (28, 2917778), (34, 2402876), (56, 1458889), (68, 1201438), (119, 686536), (136, 600719), (238, 343268), (476, 171634), (952, 85817)]