39993807994

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{644999}}^1$

素因数の和:645154

約数の個数: 32

約数和(自身を含む): 70836480000

約数和(自身を除く): 30842672006

約数列:

[1, 2, 7, 14, 43, 86, 103, 206, 301, 602, 721, 1442, 4429, 8858, 31003, 62006, 644999, 1289998, 4514993, 9029986, 27734957, 55469914, 66434897, 132869794, 194144699, 388289398, 465044279, 930088558, 2856700571, 5713401142, 19996903997, 39993807994]

約数ペア:

[(1, 39993807994), (2, 19996903997), (7, 5713401142), (14, 2856700571), (43, 930088558), (86, 465044279), (103, 388289398), (206, 194144699), (301, 132869794), (602, 66434897), (721, 55469914), (1442, 27734957), (4429, 9029986), (8858, 4514993), (31003, 1289998), (62006, 644999)]