201636379

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 249384960

約数和(自身を除く): 47748581

約数列:

[1, 7, 19, 71, 131, 133, 163, 497, 917, 1141, 1349, 2489, 3097, 9301, 9443, 11573, 17423, 21353, 21679, 65107, 81011, 149471, 176719, 219887, 405707, 1237033, 1516063, 1539209, 2839949, 10612441, 28805197, 201636379]

約数ペア:

[(1, 201636379), (7, 28805197), (19, 10612441), (71, 2839949), (131, 1539209), (133, 1516063), (163, 1237033), (497, 405707), (917, 219887), (1141, 176719), (1349, 149471), (2489, 81011), (3097, 65107), (9301, 21679), (9443, 21353), (11573, 17423)]