209654328

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{671969}}^1$

素因数の和:671991

約数の個数: 32

約数和(自身を含む): 564454800

約数和(自身を除く): 354800472

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 671969, 1343938, 2015907, 2687876, 4031814, 5375752, 8063628, 8735597, 16127256, 17471194, 26206791, 34942388, 52413582, 69884776, 104827164, 209654328]

約数ペア:

[(1, 209654328), (2, 104827164), (3, 69884776), (4, 52413582), (6, 34942388), (8, 26206791), (12, 17471194), (13, 16127256), (24, 8735597), (26, 8063628), (39, 5375752), (52, 4031814), (78, 2687876), (104, 2015907), (156, 1343938), (312, 671969)]