81078552

素因数分解:

$2^3\times 3^2\times {\mathrm{53}}^1\times {\mathrm{21247}}^1$

素因数の和:21312

約数の個数: 48

約数和(自身を含む): 223741440

約数和(自身を除く): 142662888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 53, 72, 106, 159, 212, 318, 424, 477, 636, 954, 1272, 1908, 3816, 21247, 42494, 63741, 84988, 127482, 169976, 191223, 254964, 382446, 509928, 764892, 1126091, 1529784, 2252182, 3378273, 4504364, 6756546, 9008728, 10134819, 13513092, 20269638, 27026184, 40539276, 81078552]

約数ペア:

[(1, 81078552), (2, 40539276), (3, 27026184), (4, 20269638), (6, 13513092), (8, 10134819), (9, 9008728), (12, 6756546), (18, 4504364), (24, 3378273), (36, 2252182), (53, 1529784), (72, 1126091), (106, 764892), (159, 509928), (212, 382446), (318, 254964), (424, 191223), (477, 169976), (636, 127482), (954, 84988), (1272, 63741), (1908, 42494), (3816, 21247)]