68118515

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 89268480

約数和(自身を除く): 21149965

約数列:

[1, 5, 19, 53, 83, 95, 163, 265, 415, 815, 1007, 1577, 3097, 4399, 5035, 7885, 8639, 13529, 15485, 21995, 43195, 67645, 83581, 164141, 257051, 417905, 717037, 820705, 1285255, 3585185, 13623703, 68118515]

約数ペア:

[(1, 68118515), (5, 13623703), (19, 3585185), (53, 1285255), (83, 820705), (95, 717037), (163, 417905), (265, 257051), (415, 164141), (815, 83581), (1007, 67645), (1577, 43195), (3097, 21995), (4399, 15485), (5035, 13529), (7885, 8639)]