271001185

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 417715200

約数和(自身を除く): 146714015

約数列:

[1, 5, 7, 13, 35, 41, 65, 73, 91, 199, 205, 287, 365, 455, 511, 533, 949, 995, 1393, 1435, 2555, 2587, 2665, 2993, 3731, 4745, 6643, 6965, 8159, 12935, 14527, 14965, 18109, 18655, 20951, 33215, 38909, 40795, 57113, 72635, 90545, 101689, 104755, 106067, 188851, 194545, 272363, 285565, 508445, 530335, 595607, 742469, 944255, 1321957, 1361815, 2978035, 3712345, 4169249, 6609785, 7742891, 20846245, 38714455, 54200237, 271001185]

約数ペア:

[(1, 271001185), (5, 54200237), (7, 38714455), (13, 20846245), (35, 7742891), (41, 6609785), (65, 4169249), (73, 3712345), (91, 2978035), (199, 1361815), (205, 1321957), (287, 944255), (365, 742469), (455, 595607), (511, 530335), (533, 508445), (949, 285565), (995, 272363), (1393, 194545), (1435, 188851), (2555, 106067), (2587, 104755), (2665, 101689), (2993, 90545), (3731, 72635), (4745, 57113), (6643, 40795), (6965, 38909), (8159, 33215), (12935, 20951), (14527, 18655), (14965, 18109)]