216173815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{1789}}^1$

素因数の和:1844

約数の個数: 32

約数和(自身を含む): 306734400

約数和(自身を除く): 90560585

約数列:

[1, 5, 11, 13, 55, 65, 143, 169, 715, 845, 1789, 1859, 2197, 8945, 9295, 10985, 19679, 23257, 24167, 98395, 116285, 120835, 255827, 302341, 1279135, 1511705, 3325751, 3930433, 16628755, 19652165, 43234763, 216173815]

約数ペア:

[(1, 216173815), (5, 43234763), (11, 19652165), (13, 16628755), (55, 3930433), (65, 3325751), (143, 1511705), (169, 1279135), (715, 302341), (845, 255827), (1789, 120835), (1859, 116285), (2197, 98395), (8945, 24167), (9295, 23257), (10985, 19679)]