215682775

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5897}}^1$

素因数の和:5944

約数の個数: 48

約数和(自身を含む): 351048960

約数和(自身を除く): 135366185

約数列:

[1, 5, 7, 11, 19, 25, 35, 55, 77, 95, 133, 175, 209, 275, 385, 475, 665, 1045, 1463, 1925, 3325, 5225, 5897, 7315, 29485, 36575, 41279, 64867, 112043, 147425, 206395, 324335, 454069, 560215, 784301, 1031975, 1232473, 1621675, 2270345, 2801075, 3921505, 6162365, 8627311, 11351725, 19607525, 30811825, 43136555, 215682775]

約数ペア:

[(1, 215682775), (5, 43136555), (7, 30811825), (11, 19607525), (19, 11351725), (25, 8627311), (35, 6162365), (55, 3921505), (77, 2801075), (95, 2270345), (133, 1621675), (175, 1232473), (209, 1031975), (275, 784301), (385, 560215), (475, 454069), (665, 324335), (1045, 206395), (1463, 147425), (1925, 112043), (3325, 64867), (5225, 41279), (5897, 36575), (7315, 29485)]