81491806

素因数分解:

$2^1\times {\mathrm{11}}^6\times {\mathrm{23}}^1$

素因数の和:91

約数の個数: 28

約数和(自身を含む): 140307624

約数和(自身を除く): 58815818

約数列:

[1, 2, 11, 22, 23, 46, 121, 242, 253, 506, 1331, 2662, 2783, 5566, 14641, 29282, 30613, 61226, 161051, 322102, 336743, 673486, 1771561, 3543122, 3704173, 7408346, 40745903, 81491806]

約数ペア:

[(1, 81491806), (2, 40745903), (11, 7408346), (22, 3704173), (23, 3543122), (46, 1771561), (121, 673486), (242, 336743), (253, 322102), (506, 161051), (1331, 61226), (2662, 30613), (2783, 29282), (5566, 14641)]