74277775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 109992960

約数和(自身を除く): 35715185

約数列:

[1, 5, 11, 13, 25, 55, 65, 79, 143, 263, 275, 325, 395, 715, 869, 1027, 1315, 1975, 2893, 3419, 3575, 4345, 5135, 6575, 11297, 14465, 17095, 20777, 21725, 25675, 37609, 56485, 72325, 85475, 103885, 188045, 228547, 270101, 282425, 519425, 940225, 1142735, 1350505, 2971111, 5713675, 6752525, 14855555, 74277775]

約数ペア:

[(1, 74277775), (5, 14855555), (11, 6752525), (13, 5713675), (25, 2971111), (55, 1350505), (65, 1142735), (79, 940225), (143, 519425), (263, 282425), (275, 270101), (325, 228547), (395, 188045), (715, 103885), (869, 85475), (1027, 72325), (1315, 56485), (1975, 37609), (2893, 25675), (3419, 21725), (3575, 20777), (4345, 17095), (5135, 14465), (6575, 11297)]