39953858

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{563}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 70982784

約数和(自身を除く): 31028926

約数列:

[1, 2, 7, 14, 37, 74, 137, 259, 274, 518, 563, 959, 1126, 1918, 3941, 5069, 7882, 10138, 20831, 35483, 41662, 70966, 77131, 145817, 154262, 291634, 539917, 1079834, 2853847, 5707694, 19976929, 39953858]

約数ペア:

[(1, 39953858), (2, 19976929), (7, 5707694), (14, 2853847), (37, 1079834), (74, 539917), (137, 291634), (259, 154262), (274, 145817), (518, 77131), (563, 70966), (959, 41662), (1126, 35483), (1918, 20831), (3941, 10138), (5069, 7882)]