142788752

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{509}}^1$

素因数の和:803

約数の個数: 40

約数和(自身を含む): 281734200

約数和(自身を除く): 138945448

約数列:

[1, 2, 4, 8, 16, 89, 178, 197, 356, 394, 509, 712, 788, 1018, 1424, 1576, 2036, 3152, 4072, 8144, 17533, 35066, 45301, 70132, 90602, 100273, 140264, 181204, 200546, 280528, 362408, 401092, 724816, 802184, 1604368, 8924297, 17848594, 35697188, 71394376, 142788752]

約数ペア:

[(1, 142788752), (2, 71394376), (4, 35697188), (8, 17848594), (16, 8924297), (89, 1604368), (178, 802184), (197, 724816), (356, 401092), (394, 362408), (509, 280528), (712, 200546), (788, 181204), (1018, 140264), (1424, 100273), (1576, 90602), (2036, 70132), (3152, 45301), (4072, 35066), (8144, 17533)]