201211505

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{4007}}^1$

素因数の和:4117

約数の個数: 24

約数和(自身を含む): 268664256

約数和(自身を除く): 67452751

約数列:

[1, 5, 11, 55, 83, 121, 415, 605, 913, 4007, 4565, 10043, 20035, 44077, 50215, 220385, 332581, 484847, 1662905, 2424235, 3658391, 18291955, 40242301, 201211505]

約数ペア:

[(1, 201211505), (5, 40242301), (11, 18291955), (55, 3658391), (83, 2424235), (121, 1662905), (415, 484847), (605, 332581), (913, 220385), (4007, 50215), (4565, 44077), (10043, 20035)]