208670605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{12689}}^1$

素因数の和:12741

約数の個数: 32

約数和(自身を含む): 306996480

約数和(自身を除く): 98325875

約数列:

[1, 5, 11, 13, 23, 55, 65, 115, 143, 253, 299, 715, 1265, 1495, 3289, 12689, 16445, 63445, 139579, 164957, 291847, 697895, 824785, 1459235, 1814527, 3210317, 3794011, 9072635, 16051585, 18970055, 41734121, 208670605]

約数ペア:

[(1, 208670605), (5, 41734121), (11, 18970055), (13, 16051585), (23, 9072635), (55, 3794011), (65, 3210317), (115, 1814527), (143, 1459235), (253, 824785), (299, 697895), (715, 291847), (1265, 164957), (1495, 139579), (3289, 63445), (12689, 16445)]