17198748

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:647

約数の個数: 72

約数和(自身を含む): 50144640

約数和(自身を除く): 32945892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 139, 252, 278, 417, 491, 556, 834, 973, 982, 1251, 1473, 1668, 1946, 1964, 2502, 2919, 2946, 3437, 3892, 4419, 5004, 5838, 5892, 6874, 8757, 8838, 10311, 11676, 13748, 17514, 17676, 20622, 30933, 35028, 41244, 61866, 68249, 123732, 136498, 204747, 272996, 409494, 477743, 614241, 818988, 955486, 1228482, 1433229, 1910972, 2456964, 2866458, 4299687, 5732916, 8599374, 17198748]

約数ペア:

[(1, 17198748), (2, 8599374), (3, 5732916), (4, 4299687), (6, 2866458), (7, 2456964), (9, 1910972), (12, 1433229), (14, 1228482), (18, 955486), (21, 818988), (28, 614241), (36, 477743), (42, 409494), (63, 272996), (84, 204747), (126, 136498), (139, 123732), (252, 68249), (278, 61866), (417, 41244), (491, 35028), (556, 30933), (834, 20622), (973, 17676), (982, 17514), (1251, 13748), (1473, 11676), (1668, 10311), (1946, 8838), (1964, 8757), (2502, 6874), (2919, 5892), (2946, 5838), (3437, 5004), (3892, 4419)]