399542075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{3469}}^1$

素因数の和:3767

約数の個数: 24

約数和(自身を含む): 526662720

約数和(自身を除く): 127120645

約数列:

[1, 5, 17, 25, 85, 271, 425, 1355, 3469, 4607, 6775, 17345, 23035, 58973, 86725, 115175, 294865, 940099, 1474325, 4700495, 15981683, 23502475, 79908415, 399542075]

約数ペア:

[(1, 399542075), (5, 79908415), (17, 23502475), (25, 15981683), (85, 4700495), (271, 1474325), (425, 940099), (1355, 294865), (3469, 115175), (4607, 86725), (6775, 58973), (17345, 23035)]