858390155

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{7681}}^1$

素因数の和:7827

約数の個数: 32

約数和(自身を含む): 1227153408

約数和(自身を除く): 368763253

約数列:

[1, 5, 7, 31, 35, 103, 155, 217, 515, 721, 1085, 3193, 3605, 7681, 15965, 22351, 38405, 53767, 111755, 238111, 268835, 791143, 1190555, 1666777, 3955715, 5538001, 8333885, 24525433, 27690005, 122627165, 171678031, 858390155]

約数ペア:

[(1, 858390155), (5, 171678031), (7, 122627165), (31, 27690005), (35, 24525433), (103, 8333885), (155, 5538001), (217, 3955715), (515, 1666777), (721, 1190555), (1085, 791143), (3193, 268835), (3605, 238111), (7681, 111755), (15965, 53767), (22351, 38405)]