81231136

素因数分解:

$2^5\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2647}}^1$

素因数の和:2801

約数の個数: 48

約数和(自身を含む): 184173696

約数和(自身を除く): 102942560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 137, 224, 274, 548, 959, 1096, 1918, 2192, 2647, 3836, 4384, 5294, 7672, 10588, 15344, 18529, 21176, 30688, 37058, 42352, 74116, 84704, 148232, 296464, 362639, 592928, 725278, 1450556, 2538473, 2901112, 5076946, 5802224, 10153892, 11604448, 20307784, 40615568, 81231136]

約数ペア:

[(1, 81231136), (2, 40615568), (4, 20307784), (7, 11604448), (8, 10153892), (14, 5802224), (16, 5076946), (28, 2901112), (32, 2538473), (56, 1450556), (112, 725278), (137, 592928), (224, 362639), (274, 296464), (548, 148232), (959, 84704), (1096, 74116), (1918, 42352), (2192, 37058), (2647, 30688), (3836, 21176), (4384, 18529), (5294, 15344), (7672, 10588)]