217869568

素因数分解:

$2^8\times 7^1\times {\mathrm{121579}}^1$

素因数の和:121602

約数の個数: 36

約数和(自身を含む): 497019040

約数和(自身を除く): 279149472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 121579, 243158, 486316, 851053, 972632, 1702106, 1945264, 3404212, 3890528, 6808424, 7781056, 13616848, 15562112, 27233696, 31124224, 54467392, 108934784, 217869568]

約数ペア:

[(1, 217869568), (2, 108934784), (4, 54467392), (7, 31124224), (8, 27233696), (14, 15562112), (16, 13616848), (28, 7781056), (32, 6808424), (56, 3890528), (64, 3404212), (112, 1945264), (128, 1702106), (224, 972632), (256, 851053), (448, 486316), (896, 243158), (1792, 121579)]