209344705

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 269134848

約数和(自身を除く): 59790143

約数列:

[1, 5, 31, 37, 155, 173, 185, 211, 865, 1055, 1147, 5363, 5735, 6401, 6541, 7807, 26815, 32005, 32705, 36503, 39035, 182515, 198431, 242017, 992155, 1131593, 1210085, 1350611, 5657965, 6753055, 41868941, 209344705]

約数ペア:

[(1, 209344705), (5, 41868941), (31, 6753055), (37, 5657965), (155, 1350611), (173, 1210085), (185, 1131593), (211, 992155), (865, 242017), (1055, 198431), (1147, 182515), (5363, 39035), (5735, 36503), (6401, 32705), (6541, 32005), (7807, 26815)]