390359872

素因数分解:

$2^6\times 7^2\times {\mathrm{124477}}^1$

素因数の和:124503

約数の個数: 42

約数和(自身を含む): 901096242

約数和(自身を除く): 510736370

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 124477, 248954, 497908, 871339, 995816, 1742678, 1991632, 3485356, 3983264, 6099373, 6970712, 7966528, 12198746, 13941424, 24397492, 27882848, 48794984, 55765696, 97589968, 195179936, 390359872]

約数ペア:

[(1, 390359872), (2, 195179936), (4, 97589968), (7, 55765696), (8, 48794984), (14, 27882848), (16, 24397492), (28, 13941424), (32, 12198746), (49, 7966528), (56, 6970712), (64, 6099373), (98, 3983264), (112, 3485356), (196, 1991632), (224, 1742678), (392, 995816), (448, 871339), (784, 497908), (1568, 248954), (3136, 124477)]