775872877

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 905313024

約数和(自身を除く): 129440147

約数列:

[1, 13, 17, 71, 197, 221, 251, 923, 1207, 2561, 3263, 3349, 4267, 13987, 15691, 17821, 43537, 49447, 55471, 181831, 231673, 237779, 302957, 642811, 840599, 3091127, 3510737, 3938441, 10927787, 45639581, 59682529, 775872877]

約数ペア:

[(1, 775872877), (13, 59682529), (17, 45639581), (71, 10927787), (197, 3938441), (221, 3510737), (251, 3091127), (923, 840599), (1207, 642811), (2561, 302957), (3263, 237779), (3349, 231673), (4267, 181831), (13987, 55471), (15691, 49447), (17821, 43537)]