278375204

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{257}}^1\times {\mathrm{937}}^1$

素因数の和:1232

約数の個数: 36

約数和(自身を含む): 520066596

約数和(自身を除く): 241691392

約数列:

[1, 2, 4, 17, 34, 68, 257, 289, 514, 578, 937, 1028, 1156, 1874, 3748, 4369, 8738, 15929, 17476, 31858, 63716, 74273, 148546, 240809, 270793, 297092, 481618, 541586, 963236, 1083172, 4093753, 8187506, 16375012, 69593801, 139187602, 278375204]

約数ペア:

[(1, 278375204), (2, 139187602), (4, 69593801), (17, 16375012), (34, 8187506), (68, 4093753), (257, 1083172), (289, 963236), (514, 541586), (578, 481618), (937, 297092), (1028, 270793), (1156, 240809), (1874, 148546), (3748, 74273), (4369, 63716), (8738, 31858), (15929, 17476)]