263987135

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{7823}}^1$

素因数の和:8242

約数の個数: 16

約数和(自身を含む): 336306816

約数和(自身を除く): 72319681

約数列:

[1, 5, 17, 85, 397, 1985, 6749, 7823, 33745, 39115, 132991, 664955, 3105731, 15528655, 52797427, 263987135]

約数ペア:

[(1, 263987135), (5, 52797427), (17, 15528655), (85, 3105731), (397, 664955), (1985, 132991), (6749, 39115), (7823, 33745)]