72160385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{347}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 100224000

約数和(自身を除く): 28063615

約数列:

[1, 5, 11, 19, 55, 95, 199, 209, 347, 995, 1045, 1735, 2189, 3781, 3817, 6593, 10945, 18905, 19085, 32965, 41591, 69053, 72523, 207955, 345265, 362615, 759583, 1312007, 3797915, 6560035, 14432077, 72160385]

約数ペア:

[(1, 72160385), (5, 14432077), (11, 6560035), (19, 3797915), (55, 1312007), (95, 759583), (199, 362615), (209, 345265), (347, 207955), (995, 72523), (1045, 69053), (1735, 41591), (2189, 32965), (3781, 19085), (3817, 18905), (6593, 10945)]