72139816

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{9403}}^1$

素因数の和:9553

約数の個数: 32

約数和(自身を含む): 155730240

約数和(自身を除く): 83590424

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 274, 548, 959, 1096, 1918, 3836, 7672, 9403, 18806, 37612, 65821, 75224, 131642, 263284, 526568, 1288211, 2576422, 5152844, 9017477, 10305688, 18034954, 36069908, 72139816]

約数ペア:

[(1, 72139816), (2, 36069908), (4, 18034954), (7, 10305688), (8, 9017477), (14, 5152844), (28, 2576422), (56, 1288211), (137, 526568), (274, 263284), (548, 131642), (959, 75224), (1096, 65821), (1918, 37612), (3836, 18806), (7672, 9403)]