172742219

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 203575680

約数和(自身を除く): 30833461

約数列:

[1, 13, 17, 71, 101, 109, 221, 923, 1207, 1313, 1417, 1717, 1853, 7171, 7739, 11009, 15691, 22321, 24089, 93223, 100607, 121907, 131563, 143117, 187153, 781639, 1584791, 1710319, 2432989, 10161307, 13287863, 172742219]

約数ペア:

[(1, 172742219), (13, 13287863), (17, 10161307), (71, 2432989), (101, 1710319), (109, 1584791), (221, 781639), (923, 187153), (1207, 143117), (1313, 131563), (1417, 121907), (1717, 100607), (1853, 93223), (7171, 24089), (7739, 22321), (11009, 15691)]