258508916

素因数分解:

$2^2\times {\mathrm{197}}^1\times {\mathrm{251}}^1\times {\mathrm{1307}}^1$

素因数の和:1759

約数の個数: 24

約数和(自身を含む): 456847776

約数和(自身を除く): 198338860

約数列:

[1, 2, 4, 197, 251, 394, 502, 788, 1004, 1307, 2614, 5228, 49447, 98894, 197788, 257479, 328057, 514958, 656114, 1029916, 1312228, 64627229, 129254458, 258508916]

約数ペア:

[(1, 258508916), (2, 129254458), (4, 64627229), (197, 1312228), (251, 1029916), (394, 656114), (502, 514958), (788, 328057), (1004, 257479), (1307, 197788), (2614, 98894), (5228, 49447)]