868979905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{10337}}^1$

素因数の和:10425

約数の個数: 32

約数和(自身を含む): 1179028224

約数和(自身を除く): 310048319

約数列:

[1, 5, 17, 23, 43, 85, 115, 215, 391, 731, 989, 1955, 3655, 4945, 10337, 16813, 51685, 84065, 175729, 237751, 444491, 878645, 1188755, 2222455, 4041767, 7556347, 10223293, 20208835, 37781735, 51116465, 173795981, 868979905]

約数ペア:

[(1, 868979905), (5, 173795981), (17, 51116465), (23, 37781735), (43, 20208835), (85, 10223293), (115, 7556347), (215, 4041767), (391, 2222455), (731, 1188755), (989, 878645), (1955, 444491), (3655, 237751), (4945, 175729), (10337, 84065), (16813, 51685)]