2801645

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 4423680

約数和(自身を除く): 1622035

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 383, 385, 665, 1045, 1463, 1915, 2681, 4213, 7277, 7315, 13405, 21065, 29491, 36385, 50939, 80047, 147455, 254695, 400235, 560329, 2801645]

約数ペア:

[(1, 2801645), (5, 560329), (7, 400235), (11, 254695), (19, 147455), (35, 80047), (55, 50939), (77, 36385), (95, 29491), (133, 21065), (209, 13405), (383, 7315), (385, 7277), (665, 4213), (1045, 2681), (1463, 1915)]