188996860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{726911}}^1$

素因数の和:726933

約数の個数: 24

約数和(自身を含む): 427424256

約数和(自身を除く): 238427396

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 726911, 1453822, 2907644, 3634555, 7269110, 9449843, 14538220, 18899686, 37799372, 47249215, 94498430, 188996860]

約数ペア:

[(1, 188996860), (2, 94498430), (4, 47249215), (5, 37799372), (10, 18899686), (13, 14538220), (20, 9449843), (26, 7269110), (52, 3634555), (65, 2907644), (130, 1453822), (260, 726911)]