81313778

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1951}}^1$

素因数の和:2202

約数の個数: 32

約数和(自身を含む): 150850560

約数和(自身を除く): 69536782

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 229, 458, 1603, 1951, 2977, 3206, 3902, 5954, 13657, 20839, 25363, 27314, 41678, 50726, 177541, 355082, 446779, 893558, 3127453, 5808127, 6254906, 11616254, 40656889, 81313778]

約数ペア:

[(1, 81313778), (2, 40656889), (7, 11616254), (13, 6254906), (14, 5808127), (26, 3127453), (91, 893558), (182, 446779), (229, 355082), (458, 177541), (1603, 50726), (1951, 41678), (2977, 27314), (3206, 25363), (3902, 20839), (5954, 13657)]