201891235

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{607}}^1$

素因数の和:692

約数の個数: 64

約数和(自身を含む): 323592192

約数和(自身を除く): 121700957

約数列:

[1, 5, 7, 13, 17, 35, 43, 65, 85, 91, 119, 215, 221, 301, 455, 559, 595, 607, 731, 1105, 1505, 1547, 2795, 3035, 3655, 3913, 4249, 5117, 7735, 7891, 9503, 10319, 19565, 21245, 25585, 26101, 39455, 47515, 51595, 55237, 66521, 72233, 130505, 134147, 182707, 276185, 332605, 339313, 361165, 443717, 670735, 913535, 939029, 1696565, 2218585, 2375191, 3106019, 4695145, 5768321, 11875955, 15530095, 28841605, 40378247, 201891235]

約数ペア:

[(1, 201891235), (5, 40378247), (7, 28841605), (13, 15530095), (17, 11875955), (35, 5768321), (43, 4695145), (65, 3106019), (85, 2375191), (91, 2218585), (119, 1696565), (215, 939029), (221, 913535), (301, 670735), (455, 443717), (559, 361165), (595, 339313), (607, 332605), (731, 276185), (1105, 182707), (1505, 134147), (1547, 130505), (2795, 72233), (3035, 66521), (3655, 55237), (3913, 51595), (4249, 47515), (5117, 39455), (7735, 26101), (7891, 25585), (9503, 21245), (10319, 19565)]