81171872

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{149213}}^1$

素因数の和:149240

約数の個数: 24

約数和(自身を含む): 169208676

約数和(自身を除く): 88036804

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 149213, 298426, 596852, 1193704, 2387408, 2536621, 4774816, 5073242, 10146484, 20292968, 40585936, 81171872]

約数ペア:

[(1, 81171872), (2, 40585936), (4, 20292968), (8, 10146484), (16, 5073242), (17, 4774816), (32, 2536621), (34, 2387408), (68, 1193704), (136, 596852), (272, 298426), (544, 149213)]