319375855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{811}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 419888448

約数和(自身を除く): 100512593

約数列:

[1, 5, 17, 41, 85, 113, 205, 565, 697, 811, 1921, 3485, 4055, 4633, 9605, 13787, 23165, 33251, 68935, 78761, 91643, 166255, 393805, 458215, 565267, 1557931, 2826335, 3757363, 7789655, 18786815, 63875171, 319375855]

約数ペア:

[(1, 319375855), (5, 63875171), (17, 18786815), (41, 7789655), (85, 3757363), (113, 2826335), (205, 1557931), (565, 565267), (697, 458215), (811, 393805), (1921, 166255), (3485, 91643), (4055, 78761), (4633, 68935), (9605, 33251), (13787, 23165)]