81176144

素因数分解:

$2^4\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2203}}^1$

素因数の和:2272

約数の個数: 60

約数和(自身を含む): 186934464

約数和(自身を除く): 105758320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 49, 56, 94, 98, 112, 188, 196, 329, 376, 392, 658, 752, 784, 1316, 2203, 2303, 2632, 4406, 4606, 5264, 8812, 9212, 15421, 17624, 18424, 30842, 35248, 36848, 61684, 103541, 107947, 123368, 207082, 215894, 246736, 414164, 431788, 724787, 828328, 863576, 1449574, 1656656, 1727152, 2899148, 5073509, 5798296, 10147018, 11596592, 20294036, 40588072, 81176144]

約数ペア:

[(1, 81176144), (2, 40588072), (4, 20294036), (7, 11596592), (8, 10147018), (14, 5798296), (16, 5073509), (28, 2899148), (47, 1727152), (49, 1656656), (56, 1449574), (94, 863576), (98, 828328), (112, 724787), (188, 431788), (196, 414164), (329, 246736), (376, 215894), (392, 207082), (658, 123368), (752, 107947), (784, 103541), (1316, 61684), (2203, 36848), (2303, 35248), (2632, 30842), (4406, 18424), (4606, 17624), (5264, 15421), (8812, 9212)]