311940738

素因数分解:

$2^1\times 3^2\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{1087}}^1$

素因数の和:1351

約数の個数: 48

約数和(自身を含む): 687398400

約数和(自身を除く): 375457662

約数列:

[1, 2, 3, 6, 9, 18, 107, 149, 214, 298, 321, 447, 642, 894, 963, 1087, 1341, 1926, 2174, 2682, 3261, 6522, 9783, 15943, 19566, 31886, 47829, 95658, 116309, 143487, 161963, 232618, 286974, 323926, 348927, 485889, 697854, 971778, 1046781, 1457667, 2093562, 2915334, 17330041, 34660082, 51990123, 103980246, 155970369, 311940738]

約数ペア:

[(1, 311940738), (2, 155970369), (3, 103980246), (6, 51990123), (9, 34660082), (18, 17330041), (107, 2915334), (149, 2093562), (214, 1457667), (298, 1046781), (321, 971778), (447, 697854), (642, 485889), (894, 348927), (963, 323926), (1087, 286974), (1341, 232618), (1926, 161963), (2174, 143487), (2682, 116309), (3261, 95658), (6522, 47829), (9783, 31886), (15943, 19566)]