17280890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1237}}^1$

素因数の和:1382

約数の個数: 32

約数和(自身を含む): 34228224

約数和(自身を除く): 16947334

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 127, 254, 635, 1237, 1270, 1397, 2474, 2794, 6185, 6985, 12370, 13607, 13970, 27214, 68035, 136070, 157099, 314198, 785495, 1570990, 1728089, 3456178, 8640445, 17280890]

約数ペア:

[(1, 17280890), (2, 8640445), (5, 3456178), (10, 1728089), (11, 1570990), (22, 785495), (55, 314198), (110, 157099), (127, 136070), (254, 68035), (635, 27214), (1237, 13970), (1270, 13607), (1397, 12370), (2474, 6985), (2794, 6185)]