138889297145

素因数分解:

$5^1\times {\mathrm{191}}^1\times {\mathrm{373}}^1\times {\mathrm{389903}}^1$

素因数の和:390472

約数の個数: 16

約数和(自身を含む): 167989358592

約数和(自身を除く): 29100061447

約数列:

[1, 5, 191, 373, 955, 1865, 71243, 356215, 389903, 1949515, 74471473, 145433819, 372357365, 727169095, 27777859429, 138889297145]

約数ペア:

[(1, 138889297145), (5, 27777859429), (191, 727169095), (373, 372357365), (955, 145433819), (1865, 74471473), (71243, 1949515), (356215, 389903)]