71648354

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 117374400

約数和(自身を除く): 45726046

約数列:

[1, 2, 19, 37, 38, 74, 131, 262, 389, 703, 778, 1406, 2489, 4847, 4978, 7391, 9694, 14393, 14782, 28786, 50959, 92093, 101918, 184186, 273467, 546934, 968221, 1885483, 1936442, 3770966, 35824177, 71648354]

約数ペア:

[(1, 71648354), (2, 35824177), (19, 3770966), (37, 1936442), (38, 1885483), (74, 968221), (131, 546934), (262, 273467), (389, 184186), (703, 101918), (778, 92093), (1406, 50959), (2489, 28786), (4847, 14782), (4978, 14393), (7391, 9694)]