81501056

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6997}}^1$

素因数の和:7031

約数の個数: 64

約数和(自身を含む): 199862880

約数和(自身を除く): 118361824

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 364, 416, 448, 728, 832, 896, 1456, 1664, 2912, 5824, 6997, 11648, 13994, 27988, 48979, 55976, 90961, 97958, 111952, 181922, 195916, 223904, 363844, 391832, 447808, 636727, 727688, 783664, 895616, 1273454, 1455376, 1567328, 2546908, 2910752, 3134656, 5093816, 5821504, 6269312, 10187632, 11643008, 20375264, 40750528, 81501056]

約数ペア:

[(1, 81501056), (2, 40750528), (4, 20375264), (7, 11643008), (8, 10187632), (13, 6269312), (14, 5821504), (16, 5093816), (26, 3134656), (28, 2910752), (32, 2546908), (52, 1567328), (56, 1455376), (64, 1273454), (91, 895616), (104, 783664), (112, 727688), (128, 636727), (182, 447808), (208, 391832), (224, 363844), (364, 223904), (416, 195916), (448, 181922), (728, 111952), (832, 97958), (896, 90961), (1456, 55976), (1664, 48979), (2912, 27988), (5824, 13994), (6997, 11648)]