18002075

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 28289856

約数和(自身を除く): 10287781

約数列:

[1, 5, 7, 13, 25, 35, 41, 65, 91, 175, 193, 205, 287, 325, 455, 533, 965, 1025, 1351, 1435, 2275, 2509, 2665, 3731, 4825, 6755, 7175, 7913, 12545, 13325, 17563, 18655, 33775, 39565, 55391, 62725, 87815, 93275, 102869, 197825, 276955, 439075, 514345, 720083, 1384775, 2571725, 3600415, 18002075]

約数ペア:

[(1, 18002075), (5, 3600415), (7, 2571725), (13, 1384775), (25, 720083), (35, 514345), (41, 439075), (65, 276955), (91, 197825), (175, 102869), (193, 93275), (205, 87815), (287, 62725), (325, 55391), (455, 39565), (533, 33775), (965, 18655), (1025, 17563), (1351, 13325), (1435, 12545), (2275, 7913), (2509, 7175), (2665, 6755), (3731, 4825)]