211831750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{65179}}^1$

素因数の和:65209

約数の個数: 32

約数和(自身を含む): 427059360

約数和(自身を除く): 215227610

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 65179, 130358, 325895, 651790, 847327, 1629475, 1694654, 3258950, 4236635, 8147375, 8473270, 16294750, 21183175, 42366350, 105915875, 211831750]

約数ペア:

[(1, 211831750), (2, 105915875), (5, 42366350), (10, 21183175), (13, 16294750), (25, 8473270), (26, 8147375), (50, 4236635), (65, 3258950), (125, 1694654), (130, 1629475), (250, 847327), (325, 651790), (650, 325895), (1625, 130358), (3250, 65179)]