208037503425

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{257003}}^1$

素因数の和:257310

約数の個数: 48

約数和(自身を含む): 353357883648

約数和(自身を除く): 145320380223

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 251, 645, 753, 1075, 1255, 3225, 3765, 6275, 10793, 18825, 32379, 53965, 161895, 257003, 269825, 771009, 809475, 1285015, 3855045, 6425075, 11051129, 19275225, 33153387, 55255645, 64507753, 165766935, 193523259, 276278225, 322538765, 828834675, 967616295, 1612693825, 2773833379, 4838081475, 8321500137, 13869166895, 41607500685, 69345834475, 208037503425]

約数ペア:

[(1, 208037503425), (3, 69345834475), (5, 41607500685), (15, 13869166895), (25, 8321500137), (43, 4838081475), (75, 2773833379), (129, 1612693825), (215, 967616295), (251, 828834675), (645, 322538765), (753, 276278225), (1075, 193523259), (1255, 165766935), (3225, 64507753), (3765, 55255645), (6275, 33153387), (10793, 19275225), (18825, 11051129), (32379, 6425075), (53965, 3855045), (161895, 1285015), (257003, 809475), (269825, 771009)]