2520871969

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{1979}}^1$

素因数の和:2301

約数の個数: 32

約数和(自身を含む): 3202467840

約数和(自身を除く): 681595871

約数列:

[1, 7, 11, 71, 77, 233, 497, 781, 1631, 1979, 2563, 5467, 13853, 16543, 17941, 21769, 115801, 140509, 152383, 181973, 461107, 983563, 1273811, 1545599, 3227749, 5072177, 10819193, 32738597, 35505239, 229170179, 360124567, 2520871969]

約数ペア:

[(1, 2520871969), (7, 360124567), (11, 229170179), (71, 35505239), (77, 32738597), (233, 10819193), (497, 5072177), (781, 3227749), (1631, 1545599), (1979, 1273811), (2563, 983563), (5467, 461107), (13853, 181973), (16543, 152383), (17941, 140509), (21769, 115801)]