12828319

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 16727040

約数和(自身を除く): 3898721

約数列:

[1, 7, 17, 23, 43, 109, 119, 161, 301, 391, 731, 763, 989, 1853, 2507, 2737, 4687, 5117, 6923, 12971, 16813, 17549, 32809, 42619, 79679, 107801, 117691, 298333, 557753, 754607, 1832617, 12828319]

約数ペア:

[(1, 12828319), (7, 1832617), (17, 754607), (23, 557753), (43, 298333), (109, 117691), (119, 107801), (161, 79679), (301, 42619), (391, 32809), (731, 17549), (763, 16813), (989, 12971), (1853, 6923), (2507, 5117), (2737, 4687)]