819163674

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{21599}}^1$

素因数の和:21664

約数の個数: 72

約数和(自身を含む): 2112739200

約数和(自身を除く): 1293575526

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 49, 63, 86, 98, 126, 129, 147, 258, 294, 301, 387, 441, 602, 774, 882, 903, 1806, 2107, 2709, 4214, 5418, 6321, 12642, 18963, 21599, 37926, 43198, 64797, 129594, 151193, 194391, 302386, 388782, 453579, 907158, 928757, 1058351, 1360737, 1857514, 2116702, 2721474, 2786271, 3175053, 5572542, 6350106, 6501299, 8358813, 9525159, 13002598, 16717626, 19050318, 19503897, 39007794, 45509093, 58511691, 91018186, 117023382, 136527279, 273054558, 409581837, 819163674]

約数ペア:

[(1, 819163674), (2, 409581837), (3, 273054558), (6, 136527279), (7, 117023382), (9, 91018186), (14, 58511691), (18, 45509093), (21, 39007794), (42, 19503897), (43, 19050318), (49, 16717626), (63, 13002598), (86, 9525159), (98, 8358813), (126, 6501299), (129, 6350106), (147, 5572542), (258, 3175053), (294, 2786271), (301, 2721474), (387, 2116702), (441, 1857514), (602, 1360737), (774, 1058351), (882, 928757), (903, 907158), (1806, 453579), (2107, 388782), (2709, 302386), (4214, 194391), (5418, 151193), (6321, 129594), (12642, 64797), (18963, 43198), (21599, 37926)]