857505796

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1611853}}^1$

素因数の和:1611883

約数の個数: 24

約数和(自身を含む): 1805276480

約数和(自身を除く): 947770684

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 1611853, 3223706, 6447412, 11282971, 22565942, 30625207, 45131884, 61250414, 122500828, 214376449, 428752898, 857505796]

約数ペア:

[(1, 857505796), (2, 428752898), (4, 214376449), (7, 122500828), (14, 61250414), (19, 45131884), (28, 30625207), (38, 22565942), (76, 11282971), (133, 6447412), (266, 3223706), (532, 1611853)]