1991496

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{491}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 5402160

約数和(自身を除く): 3410664

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 169, 312, 338, 491, 507, 676, 982, 1014, 1352, 1473, 1964, 2028, 2946, 3928, 4056, 5892, 6383, 11784, 12766, 19149, 25532, 38298, 51064, 76596, 82979, 153192, 165958, 248937, 331916, 497874, 663832, 995748, 1991496]

約数ペア:

[(1, 1991496), (2, 995748), (3, 663832), (4, 497874), (6, 331916), (8, 248937), (12, 165958), (13, 153192), (24, 82979), (26, 76596), (39, 51064), (52, 38298), (78, 25532), (104, 19149), (156, 12766), (169, 11784), (312, 6383), (338, 5892), (491, 4056), (507, 3928), (676, 2946), (982, 2028), (1014, 1964), (1352, 1473)]