217412195

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{359}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 354170880

約数和(自身を除く): 136758685

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 121, 143, 359, 385, 455, 605, 715, 847, 1001, 1331, 1573, 1795, 2513, 3949, 4235, 4667, 5005, 6655, 7865, 9317, 11011, 12565, 17303, 19745, 23335, 27643, 32669, 43439, 46585, 51337, 55055, 86515, 121121, 138215, 163345, 217195, 256685, 304073, 359359, 477829, 564707, 605605, 1520365, 1796795, 2389145, 2823535, 3344803, 3952949, 6211777, 16724015, 19764745, 31058885, 43482439, 217412195]

約数ペア:

[(1, 217412195), (5, 43482439), (7, 31058885), (11, 19764745), (13, 16724015), (35, 6211777), (55, 3952949), (65, 3344803), (77, 2823535), (91, 2389145), (121, 1796795), (143, 1520365), (359, 605605), (385, 564707), (455, 477829), (605, 359359), (715, 304073), (847, 256685), (1001, 217195), (1331, 163345), (1573, 138215), (1795, 121121), (2513, 86515), (3949, 55055), (4235, 51337), (4667, 46585), (5005, 43439), (6655, 32669), (7865, 27643), (9317, 23335), (11011, 19745), (12565, 17303)]