81563272

素因数分解:

$2^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{8419}}^1$

素因数の和:8605

約数の個数: 32

約数和(自身を含む): 175809600

約数和(自身を除く): 94246328

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 173, 346, 692, 1211, 1384, 2422, 4844, 8419, 9688, 16838, 33676, 58933, 67352, 117866, 235732, 471464, 1456487, 2912974, 5825948, 10195409, 11651896, 20390818, 40781636, 81563272]

約数ペア:

[(1, 81563272), (2, 40781636), (4, 20390818), (7, 11651896), (8, 10195409), (14, 5825948), (28, 2912974), (56, 1456487), (173, 471464), (346, 235732), (692, 117866), (1211, 67352), (1384, 58933), (2422, 33676), (4844, 16838), (8419, 9688)]