51797515

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 83543040

約数和(自身を除く): 31745525

約数列:

[1, 5, 7, 11, 19, 35, 55, 73, 77, 95, 97, 133, 209, 365, 385, 485, 511, 665, 679, 803, 1045, 1067, 1387, 1463, 1843, 2555, 3395, 4015, 5335, 5621, 6935, 7081, 7315, 7469, 9215, 9709, 12901, 15257, 20273, 28105, 35405, 37345, 48545, 49567, 64505, 76285, 77891, 101365, 106799, 134539, 141911, 247835, 389455, 533995, 545237, 672695, 709555, 941773, 1479929, 2726185, 4708865, 7399645, 10359503, 51797515]

約数ペア:

[(1, 51797515), (5, 10359503), (7, 7399645), (11, 4708865), (19, 2726185), (35, 1479929), (55, 941773), (73, 709555), (77, 672695), (95, 545237), (97, 533995), (133, 389455), (209, 247835), (365, 141911), (385, 134539), (485, 106799), (511, 101365), (665, 77891), (679, 76285), (803, 64505), (1045, 49567), (1067, 48545), (1387, 37345), (1463, 35405), (1843, 28105), (2555, 20273), (3395, 15257), (4015, 12901), (5335, 9709), (5621, 9215), (6935, 7469), (7081, 7315)]