209218772

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{140983}}^1$

素因数の和:141047

約数の個数: 24

約数和(自身を含む): 426335616

約数和(自身を除く): 217116844

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 140983, 281966, 563932, 986881, 1973762, 3947524, 7472099, 14944198, 29888396, 52304693, 104609386, 209218772]

約数ペア:

[(1, 209218772), (2, 104609386), (4, 52304693), (7, 29888396), (14, 14944198), (28, 7472099), (53, 3947524), (106, 1973762), (212, 986881), (371, 563932), (742, 281966), (1484, 140983)]