79721138

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{19841}}^1$

素因数の和:19898

約数の個数: 24

約数和(自身を含む): 142505244

約数和(自身を除く): 62784106

約数列:

[1, 2, 7, 14, 41, 49, 82, 98, 287, 574, 2009, 4018, 19841, 39682, 138887, 277774, 813481, 972209, 1626962, 1944418, 5694367, 11388734, 39860569, 79721138]

約数ペア:

[(1, 79721138), (2, 39860569), (7, 11388734), (14, 5694367), (41, 1944418), (49, 1626962), (82, 972209), (98, 813481), (287, 277774), (574, 138887), (2009, 39682), (4018, 19841)]