388575488

素因数分解:

$2^8\times 7^2\times {\mathrm{30977}}^1$

素因数の和:31007

約数の個数: 54

約数和(自身を含む): 902296206

約数和(自身を除く): 513720718

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 896, 1568, 1792, 3136, 6272, 12544, 30977, 61954, 123908, 216839, 247816, 433678, 495632, 867356, 991264, 1517873, 1734712, 1982528, 3035746, 3469424, 3965056, 6071492, 6938848, 7930112, 12142984, 13877696, 24285968, 27755392, 48571936, 55510784, 97143872, 194287744, 388575488]

約数ペア:

[(1, 388575488), (2, 194287744), (4, 97143872), (7, 55510784), (8, 48571936), (14, 27755392), (16, 24285968), (28, 13877696), (32, 12142984), (49, 7930112), (56, 6938848), (64, 6071492), (98, 3965056), (112, 3469424), (128, 3035746), (196, 1982528), (224, 1734712), (256, 1517873), (392, 991264), (448, 867356), (784, 495632), (896, 433678), (1568, 247816), (1792, 216839), (3136, 123908), (6272, 61954), (12544, 30977)]