81357416

素因数分解:

$2^3\times 7^1\times {\mathrm{317}}^1\times {\mathrm{4583}}^1$

素因数の和:4913

約数の個数: 32

約数和(自身を含む): 174925440

約数和(自身を除く): 93568024

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 317, 634, 1268, 2219, 2536, 4438, 4583, 8876, 9166, 17752, 18332, 32081, 36664, 64162, 128324, 256648, 1452811, 2905622, 5811244, 10169677, 11622488, 20339354, 40678708, 81357416]

約数ペア:

[(1, 81357416), (2, 40678708), (4, 20339354), (7, 11622488), (8, 10169677), (14, 5811244), (28, 2905622), (56, 1452811), (317, 256648), (634, 128324), (1268, 64162), (2219, 36664), (2536, 32081), (4438, 18332), (4583, 17752), (8876, 9166)]