128366917

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:601

約数の個数: 24

約数和(自身を含む): 153982080

約数和(自身を除く): 25615163

約数列:

[1, 7, 47, 49, 139, 329, 401, 973, 2303, 2807, 6533, 6811, 18847, 19649, 45731, 55739, 131929, 320117, 390173, 923503, 2619733, 2731211, 18338131, 128366917]

約数ペア:

[(1, 128366917), (7, 18338131), (47, 2731211), (49, 2619733), (139, 923503), (329, 390173), (401, 320117), (973, 131929), (2303, 55739), (2807, 45731), (6533, 19649), (6811, 18847)]