215311525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{263}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 316229760

約数和(自身を除く): 100918235

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 229, 263, 275, 325, 715, 1145, 1315, 2519, 2893, 2977, 3419, 3575, 5725, 6575, 12595, 14465, 14885, 17095, 32747, 37609, 60227, 62975, 72325, 74425, 85475, 163735, 188045, 301135, 662497, 782951, 818675, 940225, 1505675, 3312485, 3914755, 8612461, 16562425, 19573775, 43062305, 215311525]

約数ペア:

[(1, 215311525), (5, 43062305), (11, 19573775), (13, 16562425), (25, 8612461), (55, 3914755), (65, 3312485), (143, 1505675), (229, 940225), (263, 818675), (275, 782951), (325, 662497), (715, 301135), (1145, 188045), (1315, 163735), (2519, 85475), (2893, 74425), (2977, 72325), (3419, 62975), (3575, 60227), (5725, 37609), (6575, 32747), (12595, 17095), (14465, 14885)]