64970855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 85857408

約数和(自身を除く): 20886553

約数列:

[1, 5, 17, 41, 85, 103, 181, 205, 515, 697, 905, 1751, 3077, 3485, 4223, 7421, 8755, 15385, 18643, 21115, 37105, 71791, 93215, 126157, 316931, 358955, 630785, 764363, 1584655, 3821815, 12994171, 64970855]

約数ペア:

[(1, 64970855), (5, 12994171), (17, 3821815), (41, 1584655), (85, 764363), (103, 630785), (181, 358955), (205, 316931), (515, 126157), (697, 93215), (905, 71791), (1751, 37105), (3077, 21115), (3485, 18643), (4223, 15385), (7421, 8755)]