81130578

素因数分解:

$2^1\times 3^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1\times {\mathrm{431}}^1$

素因数の和:802

約数の個数: 32

約数和(自身を含む): 164540160

約数和(自身を除く): 83409582

約数列:

[1, 2, 3, 6, 137, 229, 274, 411, 431, 458, 687, 822, 862, 1293, 1374, 2586, 31373, 59047, 62746, 94119, 98699, 118094, 177141, 188238, 197398, 296097, 354282, 592194, 13521763, 27043526, 40565289, 81130578]

約数ペア:

[(1, 81130578), (2, 40565289), (3, 27043526), (6, 13521763), (137, 592194), (229, 354282), (274, 296097), (411, 197398), (431, 188238), (458, 177141), (687, 118094), (822, 98699), (862, 94119), (1293, 62746), (1374, 59047), (2586, 31373)]