81272464

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{55819}}^1$

素因数の和:55847

約数の個数: 40

約数和(自身を含む): 193807040

約数和(自身を除く): 112534576

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 55819, 111638, 223276, 390733, 446552, 725647, 781466, 893104, 1451294, 1562932, 2902588, 3125864, 5079529, 5805176, 6251728, 10159058, 11610352, 20318116, 40636232, 81272464]

約数ペア:

[(1, 81272464), (2, 40636232), (4, 20318116), (7, 11610352), (8, 10159058), (13, 6251728), (14, 5805176), (16, 5079529), (26, 3125864), (28, 2902588), (52, 1562932), (56, 1451294), (91, 893104), (104, 781466), (112, 725647), (182, 446552), (208, 390733), (364, 223276), (728, 111638), (1456, 55819)]