397113548

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{54941}}^1$

素因数の和:55097

約数の個数: 24

約数和(自身を含む): 753804240

約数和(自身を除く): 356690692

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 3614, 7228, 54941, 109882, 219764, 714233, 1428466, 2856932, 7636799, 15273598, 30547196, 99278387, 198556774, 397113548]

約数ペア:

[(1, 397113548), (2, 198556774), (4, 99278387), (13, 30547196), (26, 15273598), (52, 7636799), (139, 2856932), (278, 1428466), (556, 714233), (1807, 219764), (3614, 109882), (7228, 54941)]