397281668

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{616897}}^1$

素因数の和:616931

約数の個数: 24

約数和(自身を含む): 829110912

約数和(自身を除く): 431829244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 616897, 1233794, 2467588, 4318279, 8636558, 14188631, 17273116, 28377262, 56754524, 99320417, 198640834, 397281668]

約数ペア:

[(1, 397281668), (2, 198640834), (4, 99320417), (7, 56754524), (14, 28377262), (23, 17273116), (28, 14188631), (46, 8636558), (92, 4318279), (161, 2467588), (322, 1233794), (644, 616897)]