16772795

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 23550912

約数和(自身を除く): 6778117

約数列:

[1, 5, 13, 17, 43, 65, 85, 215, 221, 353, 559, 731, 1105, 1765, 2795, 3655, 4589, 6001, 9503, 15179, 22945, 30005, 47515, 75895, 78013, 197327, 258043, 390065, 986635, 1290215, 3354559, 16772795]

約数ペア:

[(1, 16772795), (5, 3354559), (13, 1290215), (17, 986635), (43, 390065), (65, 258043), (85, 197327), (215, 78013), (221, 75895), (353, 47515), (559, 30005), (731, 22945), (1105, 15179), (1765, 9503), (2795, 6001), (3655, 4589)]