1997994

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:222

約数の個数: 32

約数和(自身を含む): 4178304

約数和(自身を除く): 2180310

約数列:

[1, 2, 3, 6, 53, 61, 103, 106, 122, 159, 183, 206, 309, 318, 366, 618, 3233, 5459, 6283, 6466, 9699, 10918, 12566, 16377, 18849, 19398, 32754, 37698, 332999, 665998, 998997, 1997994]

約数ペア:

[(1, 1997994), (2, 998997), (3, 665998), (6, 332999), (53, 37698), (61, 32754), (103, 19398), (106, 18849), (122, 16377), (159, 12566), (183, 10918), (206, 9699), (309, 6466), (318, 6283), (366, 5459), (618, 3233)]