87431855

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{347}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 125881344

約数和(自身を除く): 38449489

約数列:

[1, 5, 7, 23, 35, 115, 161, 313, 347, 805, 1565, 1735, 2191, 2429, 7199, 7981, 10955, 12145, 35995, 39905, 50393, 55867, 108611, 251965, 279335, 543055, 760277, 2498053, 3801385, 12490265, 17486371, 87431855]

約数ペア:

[(1, 87431855), (5, 17486371), (7, 12490265), (23, 3801385), (35, 2498053), (115, 760277), (161, 543055), (313, 279335), (347, 251965), (805, 108611), (1565, 55867), (1735, 50393), (2191, 39905), (2429, 35995), (7199, 12145), (7981, 10955)]