16981198

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{373}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 29405376

約数和(自身を除く): 12424178

約数列:

[1, 2, 13, 17, 26, 34, 103, 206, 221, 373, 442, 746, 1339, 1751, 2678, 3502, 4849, 6341, 9698, 12682, 22763, 38419, 45526, 76838, 82433, 164866, 499447, 653123, 998894, 1306246, 8490599, 16981198]

約数ペア:

[(1, 16981198), (2, 8490599), (13, 1306246), (17, 998894), (26, 653123), (34, 499447), (103, 164866), (206, 82433), (221, 76838), (373, 45526), (442, 38419), (746, 22763), (1339, 12682), (1751, 9698), (2678, 6341), (3502, 4849)]