247069225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 344977920

約数和(自身を除く): 97908695

約数列:

[1, 5, 13, 25, 31, 65, 137, 155, 179, 325, 403, 685, 775, 895, 1781, 2015, 2327, 3425, 4247, 4475, 5549, 8905, 10075, 11635, 21235, 24523, 27745, 44525, 55211, 58175, 72137, 106175, 122615, 138725, 276055, 318799, 360685, 613075, 760213, 1380275, 1593995, 1803425, 3801065, 7969975, 9882769, 19005325, 49413845, 247069225]

約数ペア:

[(1, 247069225), (5, 49413845), (13, 19005325), (25, 9882769), (31, 7969975), (65, 3801065), (137, 1803425), (155, 1593995), (179, 1380275), (325, 760213), (403, 613075), (685, 360685), (775, 318799), (895, 276055), (1781, 138725), (2015, 122615), (2327, 106175), (3425, 72137), (4247, 58175), (4475, 55211), (5549, 44525), (8905, 27745), (10075, 24523), (11635, 21235)]