128214995

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 167215104

約数和(自身を除く): 39000109

約数列:

[1, 5, 23, 41, 71, 115, 205, 355, 383, 943, 1633, 1915, 2911, 4715, 8165, 8809, 14555, 15703, 27193, 44045, 66953, 78515, 135965, 334765, 361169, 625439, 1114913, 1805845, 3127195, 5574565, 25642999, 128214995]

約数ペア:

[(1, 128214995), (5, 25642999), (23, 5574565), (41, 3127195), (71, 1805845), (115, 1114913), (205, 625439), (355, 361169), (383, 334765), (943, 135965), (1633, 78515), (1915, 66953), (2911, 44045), (4715, 27193), (8165, 15703), (8809, 14555)]