220390912

素因数分解:

$2^9\times 7^1\times {\mathrm{61493}}^1$

素因数の和:61518

約数の個数: 40

約数和(自身を含む): 503266896

約数和(自身を除く): 282875984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 61493, 122986, 245972, 430451, 491944, 860902, 983888, 1721804, 1967776, 3443608, 3935552, 6887216, 7871104, 13774432, 15742208, 27548864, 31484416, 55097728, 110195456, 220390912]

約数ペア:

[(1, 220390912), (2, 110195456), (4, 55097728), (7, 31484416), (8, 27548864), (14, 15742208), (16, 13774432), (28, 7871104), (32, 6887216), (56, 3935552), (64, 3443608), (112, 1967776), (128, 1721804), (224, 983888), (256, 860902), (448, 491944), (512, 430451), (896, 245972), (1792, 122986), (3584, 61493)]