8478988

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 18385920

約数和(自身を除く): 9906932

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 47, 68, 94, 119, 188, 238, 329, 379, 476, 658, 758, 799, 1316, 1516, 1598, 2653, 3196, 5306, 5593, 6443, 10612, 11186, 12886, 17813, 22372, 25772, 35626, 45101, 71252, 90202, 124691, 180404, 249382, 302821, 498764, 605642, 1211284, 2119747, 4239494, 8478988]

約数ペア:

[(1, 8478988), (2, 4239494), (4, 2119747), (7, 1211284), (14, 605642), (17, 498764), (28, 302821), (34, 249382), (47, 180404), (68, 124691), (94, 90202), (119, 71252), (188, 45101), (238, 35626), (329, 25772), (379, 22372), (476, 17813), (658, 12886), (758, 11186), (799, 10612), (1316, 6443), (1516, 5593), (1598, 5306), (2653, 3196)]