268238425

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{751}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 412529152

約数和(自身を除く): 144290727

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 157, 175, 325, 455, 751, 785, 1099, 2041, 2275, 3755, 3925, 5257, 5495, 9763, 10205, 14287, 18775, 26285, 27475, 48815, 51025, 68341, 71435, 117907, 131425, 244075, 341705, 357175, 589535, 825349, 1532791, 1708525, 2947675, 4126745, 7663955, 10729537, 20633725, 38319775, 53647685, 268238425]

約数ペア:

[(1, 268238425), (5, 53647685), (7, 38319775), (13, 20633725), (25, 10729537), (35, 7663955), (65, 4126745), (91, 2947675), (157, 1708525), (175, 1532791), (325, 825349), (455, 589535), (751, 357175), (785, 341705), (1099, 244075), (2041, 131425), (2275, 117907), (3755, 71435), (3925, 68341), (5257, 51025), (5495, 48815), (9763, 27475), (10205, 26285), (14287, 18775)]